News
- Anthropology
Human evolution put brakes on tooth growth
A new analysis of fossil teeth indicates that the slower pace of dental development observed in people today dates back only about 100,000 years.
- Animals
New lizard ties for ‘world’s smallest’
A newly discovered lizard small enough to curl up on a dime ties for the title of the smallest of its kind in the world.
- Health & Medicine
Low Radiation Hurts Bystander Cells
New research confirms that alpha particles from decaying radon atoms can damage neighboring cells they don't directly hit and suggests a mechanism for this so-called bystander effect.
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Beer-flavoring compounds guide insects
The class of compounds that give beer its bitterness does two more sober jobs in Hypericum flowers.
