Saturday, Nov 23rd
Last update08:46:49 AM GMT
Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem cell science is moving.
The achievement, described in the journal Stem Cells and Development, comes just 11 years after the first human embryonic stem cell line was created.
An ancient cat was found almost perfectly preserved in Siberia's permafrost.
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A Nasa astronaut who just returned from the International Space Station has been hospitalized for an... | ||
US government employees have been injured by UFOs and the US government has conducted a secret... |
A spacecraft that will study one of Jupiter’s moons launched Monday on a journey of more... |
