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Dec 04

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Artist's drawing of what the ancient humans found at Sima de los Huesos may have looked like. Courtesy: Javier Trueba/Madrid Scientific Films By tracing ancient human DNA, scientists are learning that prehistoric humans may have immigrated and diversified earlier and…

.embed-container { position: relative; padding-bottom: 56.25%; padding-top: 30px; height: 0; overflow: hidden; max-width: 100%; height: auto; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } Video by NASA Updated 3:00…

.embed-container { position: relative; padding-bottom: 56.25%; padding-top: 30px; height: 0; overflow: hidden; max-width: 100%; height: auto; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } Just under 70 years after…