News
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Health & MedicineDocs writing fewer scripts
The number of antibiotic prescriptions for respiratory infections has declined since the mid-1990s, a new study shows.
By Nathan Seppa -
AstronomyComet dust harbors life’s building blocks
Samples collected from a comet’s halo suggest comets could have carried amino acids to the early Earth
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Health & MedicineBetter BBQ through chemistry
Food chemists reveal their secrets to juicier, tastier barbecue.
By Sid Perkins -
Health & MedicineUsing estrogen to combat persistent breast cancer
Estrogen therapy stymies breast cancer in some patients who have exhausted their other options, a new study finds.