Why are some people more gullible than others?

Homo sapiens is probably an intrinsically gullible species. We owe our evolutionary success to culture, our unique ability to receive, trust and act on stories we get from others, and so accumulate a shared view about the ...

Do female birds mate with multiple males to protect their young?

Blue tit females mate with more than one male. Several possible blue tit fathers may then work together to stop predators from attacking their young, according to new research from the University of Bergen. Philosopher Claus ...

Unique breathing cycles may be an important defense for insects

Insects exhibit breathing patterns called discontinuous gas-exchange cycles that include periods of little to no release of carbon dioxide to the environment. Researchers who studied the respiratory patterns of 15 species ...

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