Many things we witness everyday can be explained by science but it is interesting to know that even today, in the age of high technology and readily available information, some things still evade reason.
Here are 11 Surprising Phenomena that Still Have Experts Scratching their Heads.
1. Why do humans have different blood types?
Blood, the crimson liquid that keeps our bodies functioning by providing nutrients, protecting it from invaders and transporting much-needed oxygen, performs exactly the same way in every individual on Earth.
But why do they come in different types?
