The evolutionary advantage of being friendly

We've all heard the term "survival of the fittest," which scientist Charles Darwin famously coined to explain how organisms with heritable traits that give them an advantage—such as avoiding predators or beating out others ...

Battling with neighbors could make animals smarter

From ants to primates, 'Napoleonic' intelligence has evolved to help animals contend with the myriad cognitive challenges arising from interactions with rival outsiders, suggest researchers at the University of Bristol in ...

Searching together: A lesson from rats

The rat in a maze might be one of the most classic paradigms in the study of behavior, but an international team of scientists has put a twist on this experimental motif to push the leading edge of technology and research ...

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