After 50 years, scientists discover the MAL blood grouping system, solving a genetic mystery and improving transfusion safety worldwide.

They are either negative or positive. But do you know that there is another rare blood group, that is very hard to detect and very few people have it? Yes, you guessed it right, it is the Bombay ...

Scientists uncovered how ancient blood groups helped Homo sapiens as compared to Neanderthals in their survival and spread ...