A taste for fat may have made us human, says study

Long before human ancestors began hunting large mammals for meat, a fatty diet provided them with the nutrition to develop bigger brains, posits a new paper in Current Anthropology.

Craving carbs? Blame your brain, Japan study finds

Under pressure and gobbling pizza or chocolate? It may not be your fault, according to Japanese researchers who have isolated the neurons that drive a craving for carbs.

New species of extinct marsupial lion discovered in Australia

A team of Australian scientists has discovered a new species of marsupial lion which has been extinct for at least 19 million years. The findings, published in the Journal of Systematic Palaeontology, are based on fossilised ...

Extinct kitten-sized hunter discovered

A Case Western Reserve University student and his mentor have discovered an ancient kitten-sized predator that lived in Bolivia about 13 million years ago—one of the smallest species reported in the extinct order Sparassodonta.

Learned helplessness in flies and the roots of depression

When faced with impossible circumstances beyond their control, animals, including humans, often hunker down as they develop sleep or eating disorders, ulcers, and other physical manifestations of depression. Now, researchers ...

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