News
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PaleontologyListening to fish for extinction clues
Tiny fossils from fish that survived worldwide extinctions about 34 million years ago may reveal that cooler winters caused the die-off.
By Sid Perkins -
Health & MedicineFetal cells pop up in mom’s thyroid
A woman's thyroid gland contains male cells, suggesting that cells from her son passed into her when he was a fetus.
By John Travis -
Health & MedicineGene helps alcohol help the heart
A genetic study indicates that moderate consumption of alcohol helps keep the heart healthy.
By John Travis -
Health & MedicinePill boosts cancer risk in some women
Women who took oral contraceptives before 1975, and whose mother or sister had breast cancer between 1944 and 1952, have triple the likelihood of getting breast cancer as compared with similar women who didn't take the pill.