News
- Earth
Pesticides block male hormones
Some common pesticides can block the ability of androgens, male sex hormones, to trigger normal gene activities.
- Earth
Weed killer feminizes fish
The weed killer atrazine can turn normally hermaphroditic fish into females, a new study shows.
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- Materials Science
Worm’s teeth conceal odd mineral material
A worm's teeth contain a copper mineral that could serve as a model for new materials.
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Memory grows up in 1-year-olds
As children enter the second year of life, they exhibit a marked improvement in recalling simple events after a 4-month delay, perhaps reflecting the growth of memory-related brain areas.
