Uncategorized
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Clearing Up Blurry Vision: Scientists gaze toward causes of myopia
Scientists are beginning to unravel the genetic mechanism that causes nearsightedness.
- Archaeology
Mexican murals store magnetic data
Tiny magnetic particles in the pigments of some Mexican murals recorded the direction of Earth's magnetic field when the paint dried.
- Health & Medicine
Protective enzyme has a downside: Asthma
The abnormal production of a parasite-fighting enzyme contributes to asthma.
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Watching the biological clock
Biologists now have a way to predict when a woman will start menopause.
- Archaeology
Rat DNA points to Pacific migrations
An analysis of mitochondrial DNA from Pacific rats supports a theory that ancestors of today's Polynesians migrated from Southeast Asia to a string of South Pacific islands in at least two separate dispersals.
