News tagged with sperm cells

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First 3-D movies of living sperm

To improve their chances of success, in vitro fertilization (IVF) clinics need to assess the viability of the sperm they use. Now doctors may soon have a new technique to help them sort the good sperm cells ...

Feb 11, 2014
5 / 5 (2) 0 | with audio podcast

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

The young sperm, poised for greatness

In the body, a skin cell will always be skin, and a heart cell will always be heart. But in the first hours of life, cells in the nascent embryo become totipotent: they have the incredible flexibility to ...

May 19, 2014
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