In A Nutshell A giraffe’s heart burns 16% of its total resting energy just pumping blood upward to the brain, nearly double ...

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 ...

The African continent contains a plethora of creatures great and small, but none stick out quite like giraffes. They tower ...

If you've ever wondered why the giraffe has such a long neck, the answer seems clear: it lets them reach succulent leaves ...

Scientists reveal that giraffes’ long legs evolved to save heart energy, reshaping our understanding of their iconic height ...

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 ...

In his book How Giraffes Work, zoologist Graham Mitchell reveals that the ancestors of giraffes had long legs before they ...

Although male and female giraffes have the same body proportions at birth, they are significantly different as they reach sexual maturity. Females have proportionally longer necks and longer bodies ...

All the Latest Game Footage and Images from Giraffe Evolution Long neck, camel-like shape, leopard-like coloring and horn-like ossicones don’t come out of nowhere: giraffes are naturally bizarre. What ...

Douglas R. Cavener receives funding from Penn State University. 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 ...

(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 ...