Mother Tigers Pass Down Territory to Their Daughters
For female Amur tigers, defending your territory is not just about acquiring enough food to survive; it’s also about passing down real estate to your daughter. As described by a team of scientists led...
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One-Fourth of DNA Born by 2.8 Billion Years Ago
Using the genetic equivalent of the Hubble telescope, researchers have peered into the distant past and witnessed an explosion of new genes that happened more than 3 billion years ago. About 27 percent...
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Amazing Life-Size Fish Paintings Are a New Vision of Nature
Some assumptions are so deeply ingrained that it's difficult to imagine the world from another perspective. Take taxonomics: We're raised to see nature through an essentially 18th century system of...
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