'Old' sperm produces healthier offspring

Sperm that live for longer before fertilising an egg produce healthier offspring—according to new research from the University of East Anglia and Uppsala University in Sweden.

Evolutionary biology can help us understand how language works

As a linguist I dread the question, "what do you do?", because when I answer "I'm a linguist" the inevitable follow-up question is: "How many languages do you speak?" That, of course, is not the point. While learning languages ...

Power of shared pain triggers extreme self-sacrifice

The extreme self-sacrificial behavior found in suicide bombers and soldiers presents an evolutionary puzzle: how can a trait that calls for an individual to make the ultimate sacrifice, especially in defense of a group of ...

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