As it turns out, smelly socks can do more than stink up the laundry basket. In an effort to combat malaria, researchers in Tanzania are developing devices that use human foot odor to lure mosquitoes.

Reporting from Johannesburg, South Africa — As a boy in remote western Kenya, Fredros Okumu sat under the stars, smothered by the smoke of the family fire, until it was time to go to bed. Even now, ...

Just you wait until the world’s governments are putting out the call for smelly socks—suddenly that bulging gym bag hidden in your dormitory’s wardrobe seems a lot more valuable. To Tanzania anyway, ...