News
- Life
Weeds increasingly immune to herbicides
Agricultural scientists warn that crop yields could drop as a result of emerging resistance.
- Life
Marine microbes fritter away jelly bonus
Bacterial feasts during jellyfish blooms drain valuable carbon out of the food web.
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- Health & Medicine
Drug prevents some breast cancers
A hormone-blocking compound can waylay some malignancies in healthy women who are deemed at risk.
- Humans
Site hints at Asian roots for human genus
An early Homo species inhabited the Caucasus region 1.85 million years ago, casting doubt on its proposed African origin.
- Space
Black hole jets in HD
Images of unprecedented resolution offer insight into how black holes swallow up matter.
- Tech
Information flow can reveal dirty deeds
An analysis of Enron e-mails reveals that corrupt networks have a distinctive shape.
- Health & Medicine
A year adds up to big changes in brain
Third grade brings big shifts in how kids use their heads to solve math problems.
- Physics
Light created from the void
An international team of physicists confirms a long-held theory about the quantum energy that fills empty space.
- Genetics
Flexible DNA computer finds square roots
Scientists design a digital circuit made of molecules that may be able to crunch a wider variety of complex math problems than previous versions.
- Life
Holding back evolution
Gene mutations that are beneficial on their own combine to slow down progress, new bacterial experiments show.
- Humans
Ancestral gals roamed, guys stayed home
Females in two ancient hominid species may have left their home groups to find mates.
