News tagged with sperm

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Frozen semen from lions can produce embryos

Scientists from Berlin successfully produced embryos from African lions via assisted reproduction. What is genuinely new is the fact that they used immature eggs that were retrieved from African lionesses. ...

Feb 09, 2015
3 / 5 (1) 0

Genetics lab unravels mystery killing at sea

Observers on a NOAA Fisheries marine mammal survey some 200 miles off the coast of Central California had spotted the telltale signs of a killer whale attack through high-powered binoculars a few miles away. ...

Feb 05, 2015
5 / 5 (1) 0

A battle for ant sperm

And you thought the sexual battles between people could get weird and fierce? Try ants. In a new study, biologists at the University of Vermont have discovered some queen ants that make sexual bondage into ...

Oct 28, 2014
4.4 / 5 (7) 0

Whales as ecosystem engineers

"Consider the subtleness of the sea; how its most dreaded creatures glide under water, unapparent for the most part," wrote Herman Melville in Moby Dick. Today, we no longer dread whales, but their subtlety ...

Jul 03, 2014
3.9 / 5 (8) 0