Add Yahoo as a preferred source to see more of our stories on Google. A female giraffe browsing. Everything in biology ultimately boils down to food and sex. To survive as an individual you need food.

Why do giraffes have such long necks? A study led by Penn State biologists explores how this trait might have evolved and lends new insight into this iconic question. The reigning hypothesis is that ...

A Penn State researcher has been trying to get to the bottom of the age-old question of why giraffes have long necks. Ed Reschke Getty Images Editor’s note: The Focus on Research column highlights ...

What's with the long neck? While a common hypothesis has been that competition among male giraffes affected the length of their necks in evolution, a new publication has suggested otherwise. This work ...

A strange early relative of the giraffe was perfectly adapted for some serious headbutting 17 million years ago, according to new research. The oddball giraffoid didn't have the signature long neck of ...

Add Yahoo as a preferred source to see more of our stories on Google. Though both giraffes and humans have the same number of individual neck bones (known as vertebrae), the two species also have size ...

(via PBS Eons) How and why the giraffe's neck emerged in the first place has been a mystery that generations of biologists have argued over – one that has made us reconsider our understanding of how ...