All Stories
- 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?
- Chemistry
Molecule ties itself in a complex knot
Chemists synthesize a five-crossing structure centered on chloride.
-
- Life
Staggered lessons may work better
Training at irregular intervals improves learning in sea snails.
- Space
Saturn moons spied from the side
Cassini captures Titan and Dione against the sixth planet’s rings.
- Paleontology
Early animals dethroned
Cell division patterns in controversial Chinese fossils place them outside the animal kingdom.
- Ecosystems
Groundwater dropping globally
Nine-year record collected from orbit finds supply dropping mostly due to agriculture.
- Life
Pigeons rival primates in number task
Trained on one-two-three, the birds can apply the rule of numerical order to such lofty figures as five and nine.
- Humans
Network analysis predicts drug side effects
A computer technique can foresee adverse events before medications are widely prescribed.
- Life
Drugs activate dormant gene
A compound that blocks DNA unwinding can spur production of a critical brain protein in mice, leading to hope for a therapy for Angelman syndrome.
- 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.
-
