2024 Rhnull

For more videos, follow me on Facebook: https://www.facebook.com/ScienceNaturePage/#Biology #HumanBody #GoldenBlood. Merced police department merced ca

Abstract Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ...Rh-null is a blood type that lacks all 49 Rh antigens on red blood cells, making it extremely hard to find compatible donors and transfusions. Learn about the …The rarest blood type in existence is Rhnull blood. This stuff is characterized by a complete lack of antigens in the Rh system, which is the largest blood group system. This includes the D antigen (Rh factor, baby), plus the other 50-something antigens in the group.Rh factor blood test: Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood lacks the protein, you're Rh negative.Rhnull blood was first discovered in 1961 in an Aboriginal Australian woman. This blood type is called rarest because since 1961, less than 50 individuals have been found to have Rhnull blood. Among billions of humans — less than just 50 have Rhnull blood type — that indeed makes it the rarest!Rhnull is sometimes referred to as "golden blood." That's because it's worth its weight in gold, at least in the sense that it is considered a "universal" blood that anyone with rare types of blood within the Rh system could use in times of crisis. But the crux is that people with Rhnull blood can only receive blood from Rhnull donors.El Rh nulo es el grupo sanguíneo menos frecuente que conocemos. En la actualidad solo se ha podido detectar su presencia en menos de 50 personas en todo el mundo; si bien cabe esperar que el número total sea mayor, seguiría tratándose de la forma de expresión más rara que existe de los antígenos de la sangre. La sangre de las personas ...Two siblings with the rare phenotype Rhnull are described; the parents are related to each other. Serologic investigation of the family gives indirect support for the action of an amorpho... Two Siblings with Rhnull Disease - Seidl - 1972 - Vox Sanguinis - …Rhnull phenotype is a rare blood group with a frequency of approximately 1 in 6 million individuals, transmitted via an autosomal recessive mode. It is characterized by …Two RH-null types, the regulator type (RHNR; 268150) and the amorph type (RHNA), arising from independent genetic mechanisms have been distinguished. The regulator type is caused by mutation in the RHAG gene (180297). The amorph type arises from mutations at the RH locus itself that silence Rh expression. The RH locus contains the RHD …Apr 30, 2018 · One of the rarest blood types in the world is Rh null, sometimes referred to as ‘ golden blood ’. People with this blood type have a complete absence of any of the Rh antigens. It was first discovered in an Aboriginal Australian and is extremely rare, with fewer than 50 individuals known to have Rh null blood in the 50 years after its ... What is the physical growth stage of adolescence? Learn about the physical growth stage of adolescence in this article. Advertisement Puberty involves more than just the developmen...Two siblings with the rare phenotype Rhnull are described; the parents are related to each other. Serologic investigation of the family gives indirect support for the action of an amorpho... Two Siblings with Rhnull Disease - Seidl - 1972 - Vox Sanguinis - Wiley Online LibraryDubbed “golden blood”, Rhnull blood type can only be found in 43 people worldwide, out of which, one is a Malaysian woman. According to a Facebook post by Terengganu blood bank, the woman is the only person in Malaysia living with the rare blood type. “This donor’s blood group is Rhnull, the rarest blood type in the world,” reads the ...Feb 2, 2018 · El Rh nulo es el grupo sanguíneo menos frecuente que conocemos. En la actualidad solo se ha podido detectar su presencia en menos de 50 personas en todo el mundo; si bien cabe esperar que el número total sea mayor, seguiría tratándose de la forma de expresión más rara que existe de los antígenos de la sangre. La sangre de las personas ... Solo se conocen unas 40 personas portadoras de sangre Rh nulo. Este extraño tipo de sangre tiene un gran potencial para salvar las vidas de quienes necesitan transfusiones, sin embargo, quienes ...But if he ever needs blood himself, he can receive only Rhnull blood. If he donates a unit for himself, he has to permit it to be used by anyone else who might need it. This leaves Thomas dependent on other Rhnull donors. So it seems he cannot donate into a bank just for himself. Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ... The first rhnull case was that Australian Aboriginal woman found in 1961. Her blood helped alert researchers to this ultra rare type. One famous rhnull person was a man in England who was stabbed in the 1970s. Doctors issued a nationwide alert to track down more people with his life-saving blood to treat him.Rhnull được gọi là “máu vàng” vì nó thiếu hoàn toàn kháng nguyên Rh trên các tế bào hồng cầu, do đó có có thể truyền máu cho những người có bất kỳ nhóm máu nào khác mà không có phản ứng đào thải. Nhưng đồng thời, bản thân người mang nhóm máu Rhnull phải đối mặt ...(Dân trí) - Là nhóm máu cực kỳ hiếm và mới chỉ được xác định có ở 43 người trên thế giới trong suốt 50 năm qua, Rh-null được xem là nhóm "máu vàng". Nhóm máu này được người ta lùng sục để phục vụ cho nghiên cứu khoa học và truyền máu, nhưng sở hữu nhóm máu này lại cực kỳ nguy hiểm.These data suggest that Rhnull redblood cells, although serologically distinct, possess an Rh-like protein that is structurally very similar toRh(D) and Rh(c). The Rh D, E/e, and C/c blood group antigens are carried by three related but distinct membrane polypeptides (1-5) of approximately 32 kDa each (6, 7). In 2 German sibs with complete lack of all Rh antigens from a consanguineous family, Huang et al. (1998) and Cherif-Zahar et al. (1998) detected homozygosity for deletion of 2 nonadjacent nucleotides in exon 7 of the RHCE gene (111700.0003). The purpose of this report is to direct attention of hematologists to a mild chronic hemolytic anemia, of unexplained etiology, characterized by the remarkable absence of all Rh-Hr factors. There are also defects in the Ss, U blood group determinants. The anemia has most of the routine hematological characteristics of mild stomatocytosis …Rhnull disease includes the amorph and regulator types that are thought to result from homozygous mutations at the RH30 and RH50 loci, respectively. Here we report an unusual regulator Rhnull where two G-->A nucleotide (nt) transitions occurred in trans, targeting different regions of the two copies of Rh50 gene.The PDP1 gene provides instructions for making a protein called pyruvate dehydrogenase phosphatase 1, which is part of a large group of proteins called the pyruvate dehydrogenase c...Wang Huning has been widely described as the intellectual force behind the ideologies espoused by China’s three most recent presidents, including Xi himself. As Trump sits down wit...گروه خونی o rh null. Rh-null نادرترین گروه خونی است و به گفته برخی، "خون طلایی" در نظر گرفته می‌شود. خون Rh-null با فقدان کامل آنتی ژن در سیستم Rh، که بزرگترین سیستم گروه خونی است طبقه بندی می‌شود. تنها ۴۳ ... In 2 German sibs with complete lack of all Rh antigens from a consanguineous family, Huang et al. (1998) and Cherif-Zahar et al. (1998) detected homozygosity for deletion of 2 nonadjacent nucleotides in exon 7 of the RHCE gene (111700.0003). Vos originally described Rh-deficiency syndrome in 1961, when a sample of blood failed to respond with several Rh antisera. However, R. Ceppellini used the term "Rhnull" for the first time. So far, at least 43 people from 14 families have been reported in the literature as having the Rhnull phenotype. See also. List of hematologic conditionsRhnull human erythrocytes lack the antigens of the Rhesus blood group system, have an abnormal shape and an increased osmotic fragility, and are associated with mild chronic haemolytic anaemia. Studies with phospholipase A2 and sphingomyelinase C show that the asymmetric distribution of phosphatidylethanolamine (PtdEtn) in the membrane of these ...Poor Jo is circling the drain. Link heads over to the house to try and get her out of bed. He sort of succeeds when he lures her from under the covers with alcohol. They laugh and reminisce as the ...Poor Jo is circling the drain. Link heads over to the house to try and get her out of bed. He sort of succeeds when he lures her from under the covers with alcohol. They laugh and reminisce as the ...Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ...Disease Overview. The Rh deficiency syndrome, also known as Rh-null syndrome, is a blood disorder where people have red blood cells (RBCs) lacking all Rh antigens. The Rh antigens maintain the integrity of the RBC membrane and therefore, RBCs which lack Rh antigens have an abnormal shape. There are two types of Rh deficiency syndrome: [10568]Rh null phenotype. Other Rh group antigens. History. References. External links. Rh blood group system. The name rhesus factor (Rh) goes back to the use of erythrocytes …The rarest blood type in existence is Rhnull blood. This stuff is characterized by a complete lack of antigens in the Rh system, which …Affiliations 1 National Institute of Immunohaematology, Indian Council of Medical Research (NIIH-ICMR), Mumbai, India.; 2 Institut National de la Santé et de la Recherche Médicale (Inserm), UMR1078, Brest, France.; 3 Etablissement Français du Sang Bretagne, Brest, France.; 4 Laboratoire de Génétique Moléculaire et d'Histocompatibilité, Centre …230 - 233: Rhnull Disease By P. J. Schmidt P. J. Schmidt Blood Bank Department, Clinical Center, National Institutes of Health, Department of Health Education and Welfare, Bethesda, Md. Search for other works by this author on: This Site. PubMed. Google Scholar; P. V. Holland P. V. Holland ...The Rhnull phenotype reportedly happens in one in 6 million people. This makes it a highly prized blood type by doctors, but could, however, be very dangerous for anyone with Rhnull blood in times ...Conclusion: The novel c.1138+2 t > a mutation in the RHAG gene causing the Rhnull phenotype and development of a pan reacting antibody (ies) made the patient's pregnancy challenging. Confirmation of the diagnosis, an important step in her management, required use of both serological immunohematology and molecular techniques.Rhnull phenotype Rh null syndrome is rare, and is characterized by a complete lack of all Rh antigens. It is caused by either a mutation in the gene for the Rh-related Antigen (RHAG) ("regulator" type) or a mutation in the RHCE genes along with a deletion in the RHD gene ("amorphic" type). Rh proteins are essential parts of the red cell ...Background and Objectives The extremely rare Rhnull phenotype is characterized by the absence of all Rh antigens on erythrocytes. It is divided into the regulator and amorph types based on the under...Examples of rare blood types that are negative for antigens of high prevalence include Rhnull, Bombay (Oh), Jr(a-) among others. Siblings of donors or patients lacking antigens of high prevalence are more likely to also lack the antigen than the general donor population. Some rare blood types are so rare that there are less than 10 donors in ...Rhnull phenotype is a rare blood group with a frequency of approximately 1 in 6 million individuals, transmitted via an autosomal recessive mode. It is characterized by the weak (Rh mod) or lack ...內地江蘇近日發現兩人擁有全球罕見的黃金血型「RhNULL」，而這二人為一對姊妹。. 這種血型在人群中出現的概率，為600萬分之一，全球僅得不足50例。. 她們的血能供給任何一個需要輸血的病人，惟她們僅可接受與其相同血型的血液。. 最新影片：. 活得健康啲 ...Yanlış kan takviyesi ölüme bile sebep olabilir. Golden Blood olarak bilinen altın kanın avantajı nadir olarak bulunan kan gruplarına kan verebilmeleridir. Dezavantajı ise kan ihtiyacı duyduklarında uygun kanın bulunması için en az 9 donör olması gerekir. Rh Null grubu, kan takviyesinde diğer tüm gruplar için cankurtaran ...Note that this assumes that all of the less common Non-ABO blood group antigen systems are also compatible. Universal donor. Blood type O negative (O-) is the universal donor.Резус-фактор. 1.Rh-позитивний еритроцит. 2.Rh-негативний еритроцит. 3.Rh-фактор. Ре́зус-фа́ктор (позначається Rh, RhD ) — це глікопротеїн, який лежить на поверхні еритроцитів ( червоних кров'яних ...First Solar is in the news today as FSLR stock may be the biggest beneficiary of the Senate-passed Inflation Reduction Act. Luke Lango Issues Dire Warning A $15.7 trillion tech mel...A Rhnull case is reported caused by a complete deletion of the RHAG gene, one of the key components of the Rh protein family, in red blood cell membrane. R hD and RhCE proteins on the red blood cell (RBC) membrane are part of a multiprotein complex. RhAG, a member of the Rh protein family, is one of the key components of that complex. …Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is …These data suggest that Rhnull redblood cells, although serologically distinct, possess an Rh-like protein that is structurally very similar toRh(D) and Rh(c). The Rh D, E/e, and C/c blood group antigens are carried by three related but distinct membrane polypeptides (1-5) of approximately 32 kDa each (6, 7).Nov 11, 2022 · Advertisement. ‘Golden blood’, also known as Rhnull, is the world’s rarest blood type. First found in an Aboriginal Australian woman, Rhnull is estimated to occur in 1 in 6 million individuals, according to the National Library of Medicine website. The blood type was named Rhnull because it is missing the most all the antigens in the Rh ... Hrithik Roshan on Feb 17, 2022 which was ‘random act of kindness’ day took the initiative to donate his blood. The 48-year-old actor took to his Instagram, and shared a photo of him lying on a hospital bed, with a tube tied to his hand, and wrote, “I was told that my blood group B-negative is a rare type. Hospitals often fall short of it.کمیاب ترین گروه خونی، گروه خونی Rh نول (Rhnull) است. افراد Rh نول هیچ کدام از آنتی ژن ها را روی گلبول قرمز خود ندارند. محققان تخمین می زنند که از هر ۶ میلیون نفر، یک نفر داری گروه خونی Rh نول است ...In the United States, AB-negative is the rarest blood type, while O-positive is the most common. Your blood type is based on genetics and whether it contains certain antigens. While AB/Rh-negative ...Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ...Jan 23, 2019 · El RH nulo (o Rh Null) es el grupo sanguíneo menos frecuente que conocemos, y en la actualidad, se ha detectado su presencia en menos de 50 personas en todo el mundo (documentados). Se destacan ... Golden blood type or Rh null blood group is the rarest blood group with no Rh antigens on red blood cells. Learn about its causes, complications, donation, and …First Solar is in the news today as FSLR stock may be the biggest beneficiary of the Senate-passed Inflation Reduction Act. Luke Lango Issues Dire Warning A $15.7 trillion tech mel...Objective: A 77 year old female was admitted with a subdural hematoma requiring 1 unit of apheresis platelets. She was a study subject in the 1960s and was found to be Rhnull, along with another individual who previously served as a directed donor for her. Methods: Serologic testing performed by the immunohematology reference laboratory (IRL ...Advertisement. ‘Golden blood’, also known as Rhnull, is the world’s rarest blood type. First found in an Aboriginal Australian woman, Rhnull is estimated to occur in 1 in 6 million individuals, according to the National Library of Medicine website. The blood type was named Rhnull because it is missing the most all the antigens in the Rh ...What is the difference between RH negative and RHnull? The Rh blood group system consists of 49 defined blood group antigens. One of them is the D antigen. If you test negative for the presence of the D antigen, you are Rh Negative. This is why Rh Negative is also often listed as Rh (D) negative or D negative.メインページ; コミュニティ・ポータル; 最近の出来事; 新しいページ; 最近の更新; おまかせ表示; 練習用ページ; アップロード (ウィキメディア・コモンズ)Dubbed “golden blood”, Rhnull blood type can only be found in 43 people worldwide, out of which, one is a Malaysian woman. According to a Facebook post by Terengganu blood bank, the woman is the only person in Malaysia living with the rare blood type. “This donor’s blood group is Rhnull, the rarest blood type in the world,” reads the ...Solo se conocen unas 40 personas portadoras de sangre Rh nulo. Este extraño tipo de sangre tiene un gran potencial para salvar las vidas de quienes necesitan transfusiones, sin embargo, quienes ...Nov 1, 2010 · Rhnull phenotype is a rare blood group with a frequency of approximately 1 in 6 million individuals, transmitted via an autosomal recessive mode. It is characterized by the weak (Rh mod) or lack ... But if he ever needs blood himself, he can receive only Rhnull blood. If he donates a unit for himself, he has to permit it to be used by anyone else who might need it. This leaves Thomas dependent on other Rhnull donors. So it seems he cannot donate into a bank just for himself.Want to get paid to promote products? We explain how it works, covering all major online platforms and how to promote in person. One way you can earn extra cash is by getting paid ...Get ratings and reviews for the top 7 home warranty companies in Grosse Pointe Park, MI. Helping you find the best home warranty companies for the job. Expert Advice On Improving Y...Jasper Therapeutics News: This is the News-site for the company Jasper Therapeutics on Markets Insider Indices Commodities Currencies StocksBackground and Objectives. The extremely rare Rh null phenotype is characterized by the absence of all Rh antigens on erythrocytes. It is divided into the regulator and amorph types based on the underlying genetic background. The more common regulator type depends on critical variants silencing RHAG, which encodes …The Insider Trading Activity of Asher Andrew Lynn on Markets Insider. Indices Commodities Currencies StocksA Rhnull case is reported caused by a complete deletion of the RHAG gene, one of the key components of the Rh protein family, in red blood cell membrane. R hD and RhCE proteins on the red blood cell (RBC) membrane are part of a multiprotein complex. RhAG, a member of the Rh protein family, is one of the key components of that complex. …Резус-фактор. 1.Rh-позитивний еритроцит. 2.Rh-негативний еритроцит. 3.Rh-фактор. Ре́зус-фа́ктор (позначається Rh, RhD ) — це глікопротеїн, який лежить на поверхні еритроцитів ( червоних кров'яних ...Rhnull phenotype is a rare blood group with a frequency of approximately 1 in 6 million individuals, transmitted via an autosomal recessive mode. It is characterized by the weak (Rh mod) or lack ...A 77 year old female with a history of Rh null phenotype was admitted with a subdural hematoma and required platelet transfusion. The case illustrates the …The rare Rhaull phenotype in a young pregnant female which was detected as a part of routine antenatal work-up for red cell antibody screening and identification is reported. Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on ...Rhnull disease includes the amorph and regulator types that are thought to result from homozygous mutations at the RH30 and RH50 loci, respectively. Here we report an unusual regulator Rhnull where two G-->A nucleotide (nt) transitions occurred in trans, targeting different regions of the two copies of Rh50 gene.Rhnull human erythrocytes lack the antigens of the Rhesus blood group system, have an abnormal shape and an increased osmotic fragility, and are associated with mild chronic haemolytic anaemia. Studies with phospholipase A2 and sphingomyelinase C show that the asymmetric distribution of phosphatidylethanolamine (PtdEtn) in the membrane of these ...Called Ichor, this ethereal fluid was fabled to have immortal properties, but was toxic to mere mortals. Then in 1961, a person with “golden blood” was discovered. Called golden because of its rarity and huge scientific significance – rather than its colour – it is the rarest known human blood type. While it may not grant immortal god ...

The purpose of this report is to direct attention of hematologists to a mild chronic hemolytic anemia, of unexplained etiology, characterized by the remarkable absence of all Rh-Hr factors. There are also defects in the Ss, U blood group determinants. The anemia has most of the routine hematological characteristics of mild stomatocytosis …. Lifetime fitness maple grove

Rarest Blood Type Explained (Rhnull) Rare Blood Group Costlier Than Gold 800 करोड़ लोगों में सिर्फ 45 के पास है गोल्डन-ब्लड: एक बूंद खून की कीमत सोने से ज्यादा; क्यों दुर्लभ है ये ब्लड ...A Rhnull case is reported caused by a complete deletion of the RHAG gene, one of the key components of the Rh protein family, in red blood cell membrane. R hD and RhCE proteins on the red blood cell (RBC) membrane are part of a multiprotein complex. RhAG, a member of the Rh protein family, is one of the key components of that complex. …Fuzey, a London-based company providing what it calls a “digital one-stop shop” for small businesses and independent contractors, raised $4.5 million in seed funding. The round was...Called Ichor, this ethereal fluid was fabled to have immortal properties, but was toxic to mere mortals. Then in 1961, a person with “golden blood” was discovered. Called golden because of its rarity and huge scientific significance – rather than its colour – it is the rarest known human blood type. While it may not grant immortal god ...“Golden blood” is another name for the Rhnull blood type. This is a rare blood type occurring in approximately 1 in 6 million people Trusted Source PubMed Central Highly respected database from the National Institutes of Health Go to source. Rh antigens are completely absent from the red blood cells of people with this blood type.Case study. A 77 year old female was admitted to the emergency room (ER) with a subdural hematoma that occurred as the result of a fall. To reduce the risk of additional bleeding, an order was placed for 1 unit of apheresis platelets. The physician’s assistant called the transfusion service stating that the patient had a history of being Rh …An unlinked modifier of Rh blood groups: Effect when heterozygous and when homozygous. Am. J. Hum. Genetics 24, 623 (1972). Google Scholar. Green F. A.: Erythrocyte membrane sulfhydryl groups and Rh antigen activity.Rhnull phenotype is a rare blood group with a frequency of approximately 1 in 6 million individuals, transmitted via an autosomal recessive mode. It is characterized by the weak (Rhmod) or lack (Rhnull) of expression of all Rh antigens on the red cells. The clinical significance of its assessment is that such patients with Rhnull syndrome are ...Резус-фактор. 1.Rh-позитивний еритроцит. 2.Rh-негативний еритроцит. 3.Rh-фактор. Ре́зус-фа́ктор (позначається Rh, RhD ) — це глікопротеїн, який лежить на поверхні еритроцитів ( червоних кров'яних ...Background and objectives: The extremely rare Rh null phenotype is characterized by the absence of all Rh antigens on erythrocytes. It is divided into the regulator and amorph types based on the underlying genetic background. The more common regulator type depends on critical variants silencing RHAG, which encodes RhAG glycoprotein, necessary ...Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ...Officially classified as Rh-null, it's next to impossible for those with the condition to find a blood transfusion. By Tanner Garrity. February 24, 2022 3:47 pm. No, …Jan 26, 2022 · Blood is considered Rh-null if it lacks all of the 61 possible antigens in the Rh system. This not only makes it rare, but this also means it can be accepted by anyone with a rare blood type... In the 1960s a type of blood was discovered that was not only RhD- it had absolutely no Rh proteins whatsoever. This condition is known as Rhnull. A 2014 article in the magazine Mosaic looked at ...Selon Thierry Peyrard, le "sang en or" est très rare, mais ce n'est pas forcément le plus rare du monde. Concernant le groupe Rhésus null, nous comptons environ 1 cas sur 10 millions d'individus. Néanmoins, l'Établissement Français du Sang connaît des patients ou des familles de patients ayant d'autres types de groupe sanguin parfois ...Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ...If you’re a rare blood donor, your blood type is present in less than one in every 1,000 people. Patients who need rare blood rely on rare blood donors. Give blood.Rhnull: The ‘Golden Blood’ Type. Una dintre cele mai rare grupe de sânge de pe Pământ. Grupa de sânge super rară de Karolina Grabowska de pe Pexels. Scuze AB-negativ; nu ești singura grupă de sânge rară din lume. Descoperită pentru prima dată la o femeie aborigenă australiană în 1961, Rhnull (Rhesus null) este una dintre cele ...Do plants feel pain? Scientists are learning that the possibility isn't as crazy as it sounds. Learn why at HowStuffWorks. Advertisement Few moments evoke a sense of summer like ca....

Popular Topics