News
- Health & Medicine
Sleight of Herb: Black cohosh mislabeled in medicinal products
A sizable fraction of the herbal supplements marketed as preparations of black cohosh contains none of that North American plant.
- Earth
Blast Survivors: Fragments of asteroid found in ancient crater
Pieces of an asteroid that blasted a 70-kilometer-wide crater in southern Africa millions of years ago may have been found intact inside the thick layer of once-molten rock that the impact left behind.
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Sharing the Health: Cells from unusual mice make others cancerfree
Immune-cell transplants from an extraordinary strain of mice that resists cancer can pass this trait to mice that aren't as lucky.
