News
-
Health & MedicineKeeping breathing steady and safe
Scientists may have found a way to avoid the lowered breathing rate that comes from treatment with morphine or other opiate-based narcotics and anesthetics.
By John Travis -
AstronomyDusty times on Mars
On July 1, a dust cloud emerged from Mars' Hellas Basin, and 3 days later it had become 1,800 kilometers wide, roughly one-fourth the Red Planet’s diameter.
By Ron Cowen -
Down the Tubes: Amino acid proves key to plant reproduction
An amino acid that human brain cells communicate with also has a role in plant sex.
By John Travis -
Health & MedicineMetal’s Mayhem: Cadmium mimics estrogen’s effects, thwarts DNA repair
Cadmium causes endocrine disruption by mimicking estrogen in rats and also thwarts routine DNA repair, causing mutations, two studies show.