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

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 tiếp trên NPR
July 13, 2017 at 08:00PM
Environment