Thứ Năm, 13 tháng 7, 2017

NPR News: No Offense, American Bees, But Your Sperm Isn't Cutting It

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No Offense, American Bees, But Your Sperm Isn't Cutting It
U.S. bees are in trouble, and one of the major threats is a deadly parasite called varroa mite. So researchers are importing sperm from European bees resistant to mites to toughen up America's stock.

Đọc thêm tại NPR
at July 13, 2017 at 08:00PM
Health & Science
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