News tagged with reproduction

New technologies for getting the most out of semen

For in vitro fertilization and other assisted reproductive technologies, selecting the healthiest and best swimming sperm from a sample of semen can dramatically increase success. Microfluidics—micro-scale technologies ...

Mar 19, 2015
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If you could clone yourself, would you still have sex?

Imagine how easy life would be if you could produce offspring without a mate. Sexual reproduction is the most common mating system in the animal kingdom. But in many species, females do not require males ...

Feb 13, 2015
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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
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Tracing the evolution of forest trees

There are at least 60,000 identified tree species in the world, "but we know next to nothing about how they got here," Elizabeth Stacy says. "Trees form the backbone of our forests, and are ecologically and ...

Nov 10, 2014
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