It's an evolutionary question that has stumped scientists for hundreds of years: Why do zebras have stripes?
Hypotheses have included mating ritua...
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On a recent trip to Botswana, a country Darwin was never fortunate enough to have seen, I was struck by how readily the questions of biology, which popped up during Darwin's travels, are ripe for the asking on a modern safari.
By: Charles Choi, LiveScience Contributor
Published: 02/09/2012 08:11 AM EST on LiveScience
Zebra stripes may deter bloodsucking insects, perhap...
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