Humans
We summarize the week's scientific breakthroughs every Thursday.
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- Humans
Bt: The lesson not learned
The more things change, the more they stay the same, as a Dec. 29 Associated Press report on genetically engineered corn notes. Like déjà vu, this news story on emerging resistance to Bt toxin — a fabulously effective and popular insecticide to protect corn — brings to mind articles I encountered over the weekend while flipping through historic issues of Science News. More than a half-century ago, our magazine chronicled, real time, the emergence of resistance to DDT, the golden child of pest controllers worldwide. Now much the same thing is happening again with Bt, its contemporary agricultural counterpart. Will we never learn?
- Life
Staggered lessons may work better
Training at irregular intervals improves learning in sea snails.
- Humans
Network analysis predicts drug side effects
A computer technique can foresee adverse events before medications are widely prescribed.
- Humans
Researchers, journals asked to censor data
Scientists undertake research to advance knowledge. Normally, one aspect of that advancement is to find as broad an audience for the newly acquired data as possible. But what happens if medically important data could be put to ruthless purposes? That question underlies the ruckus developing over two new bird flu papers.
- Humans
Fewer fires in Africa these days
How flames spread, not how frequently people start them, controls burning on the continent.
- Humans
Smells like a bear raid
Analysis of stock trading data suggests an effort to manipulate the market in 2007.
- Psychology
Face deficit holds object lesson
A brain-damaged man yields controversial clues to how people identify complex objects.
- Humans
Uncommitted newbies can foil forceful few
Decisions more democratic when individuals with no preset preference join a group.
- Health & Medicine
Gene therapy helps counter hemophilia B
Treatment enables cells to produce a key blood-clotting compound, allowing some patients to quit medication.
- Humans
Tools of a kind
People in southern Arabia around 100,000 years ago made tools like those of East Africans.
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