News
- Life
Eggs may be made throughout adulthood
The discovery of stem cells in human ovaries suggests that women are not born with a lifetime’s supply of gametes.
- Physics
Loose cable blamed for speedy neutrinos
In uncovering a technical flaw, physicists now know why an experimental result that couldn’t have been true wasn’t.
By Devin Powell - Life
Bird flu less deadly, but more widespread, than official numbers suggest
The H5N1 virus appears to have infected far more than the 573 officially confirmed victims.
- Astronomy
Distant planet an exotic water-world
Orb is unlike anything in the solar system.
By Nadia Drake - Humans
Shelters date to Stone Age
Middle Eastern foragers inhabited dwellings for months at a time around 20,000 years ago.
By Bruce Bower - Life
Old-fashioned fish regrow fins
Fish on an ancient line can regenerate lost limbs with newt-like flair, suggesting that ability was shared among ancient ancestors.
By Susan Milius -
Science News at the 2012 AAAS meeting
A round-up of Science News coverage of the meeting of the American Association for the Advancement of Science held February 16–20, 2012 in Vancouver, Canada.
By Science News - Life
The bloom isn’t off this ancient plant
Using fruit found in Siberia’s permafrost, scientists grow oldest flowering specimen ever produced from preserved tissue.
By Devin Powell - Climate
Carbon dioxide breaking down marine ecosystems
Scientists capitalize on 'natural’ experiment to chronicle how ecosystems will change as oceans continue to acidify.
By Janet Raloff - Humans
Scientists probe terrorist talk on ‘Dark Web’
Mathematical tools can pry secretive terrorist communications in hidden sector of the Internet.
- Humans
Oceans set stage for human evolution
Temperature changes off the coast dried out East Africa and allowed grasslands to spread starting around 2 million years ago.
- Humans
Harsh conditions in childhood have long-term effects
Kids from Romanian orphanage also had lower volumes of gray matter.