Humans
“Old” pacemakers may still work for years, so doctors are refurbishing used devices and donating them to patients in low- and middle-income countries. Read…
Among the more than 500 species of bacteria that thrive in the human mouth, one…
Heat-related deaths in the United States are on the rise. But how bad will it…
It was as a Ph.D. student that Dionna Williams realized the fundamental flaws in how…
A cyclist is pedaling down the street. Signs, trees and fire hydrants whip by. As…
One of the most remarkable things about the human brain is that it changes. A…
TV stars and terrorists may appear to have little in common. But after watching YouTube…