It makes sense that identical twins would have the exact same DNA, right? Spoiler alert: Not always! Here's why. Identical ...
A pair of twins, sharing the same family history, almost the same DNA, and even the same face, can still age differently ...
Giving birth to twins (or even triplets) has become more common in recent decades due to the growing use of fertility drugs. About 1.6 million twins are born each year worldwide, with one in every ...