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.
A survey of thousands of peer-reviewed papers in scientific journals has found 97.1% agreed that climate...
After more than 15 years of failures by scientists around the world and one outright fraud,...
