News
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EarthWetland Blanket: Volcanic sulfates may curb methane emission
Field studies hint that the deposition on wetlands of sulfate compounds from the atmosphere could temporarily stifle those regions' natural emissions of methane.
By Sid Perkins -
HumansUsing one’s head
Porters in Nepal turn out to be the most efficient human load carriers yet recorded, carrying burdens that average 93 percent of their body weight.
By Susan Milius -
Health & MedicineNo Sugar Babies: Study suggests treating gestational diabetes
Women with gestational diabetes who receive dietary counseling, regular blood sugar monitoring, and insulin as needed lessen their risk of birth complications.
By Nathan Seppa -
Smoking’s Reward: Nicotine triggers opiate-pleasure response
A study of mouse brains suggests that nicotine works via the same pathways that give morphine and other opiates their addictively rewarding qualities.