ahlam1399
07-28-2016, 10:54 PM
At about 1.6 million years old, the bone is the oldest k**wn example of a malignant tumor in a human ancestor, and reinforces what scientists already knew: that cancer isn't a modern scourge.
أكثر... (http://www.npr.org/sections/thetwo-way/2016/07/28/487775814/ancient-bone-shows-evidence-of-cancer-in-human-ancestor?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2016/07/28/487775814/ancient-bone-shows-evidence-of-cancer-in-human-ancestor?utm_medium=RSS&utm_campaign=news)