News tagged with ancestral populations

Search results for ancestral populations

Human fear of spiders draws scientific focus

A fear of spiders, arachnophobia, is in our DNA. You don't learn to freeze at the site of these creatures; you're born with the fear. Even the sight of hypodermic needles and houseflies does not trigger a ...

dateApr 06, 2015 in Evolution weblog
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What blind beetles can teach us about evolution

Evolution is often perceived as being a "directional" or "adaptive" process. We often think of species evolving to become stronger or faster, or to have sharper teeth, for example. And we tend to see this ...

dateFeb 05, 2015 in Evolution
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What is the longest river in the world?

Planet Earth boasts some very long rivers, all of which have long and honored histories. The Amazon, Mississippi, Euphrates, Yangtze, and Nile have all played huge roles in the rise and evolution of human ...

dateFeb 02, 2015 in Earth Sciences
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List of search results for ancestral populations