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.

Fossils unearthed in China of a forerunner of the modern giraffe are offering insight into the early evolution of this mammal's trademark long neck, driven not only by the benefit of reaching high ...

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 ...

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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 ...

Why do giraffes have long necks? Answers to 25 animal evolution questions | Evolution is driven by interactions between genetics and nature, and the Earth’s rock layers preserve a record of this ...

When paleontologist Jin Meng uncovered a strange skull in the vast, dry expanse of northern China’s Junggar Basin in 1996, he immediately had a hunch about the favorite activity of the ancient animal ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Douglas R. Cavener, Penn State (THE CONVERSATION) Everything in biology ultimately ...

Everything in biology ultimately boils down to food and sex. To survive as an individual you need food. To survive as a species you need sex. Not surprisingly then, the age-old question of why ...