Sunday, August 18, 2019

Liane Russell, Who Studied Radiation’s Effects on Embryos, Dies at 95

Her findings led to cautions against X-rays for pregnant women. She also discovered that the presence of the Y chromosome meant a mammalian embryo was male.

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The Afghan War Ended With Zero M.I.A.s

After two decades of combat, there were no American troops missing in action, reflecting a major shift in military priorities. from NYT ...