Right Now
Why Taxi Drivers Don’t Die of Alzheimer’s
Explaining taxi and ambulance drivers’ protection against Alzheimer’s disease.
by Erin O'Donnell
Cheating the Reaper
New study reveals just how many years of life are added by varying levels of exercise.
by Erin O'Donnell
A Cucumber Coil Conundrum
In the plant's tendrils, L. Mahadevan and colleagues discover a new type of spring.
by Erin O'Donnell
The Deadliest Virus
Modified H5N1 could infect a billion people if it escapes the lab.
by David Levin
A Dazzling Flat Lens
Harvard scientists have developed a tiny, lightweight, distortion-free lens that focuses light without glass.
by Jonathan Shaw
Survival of the Cooperative
The breeding behavior of tropical cuckoos, in which unrelated adults share a communal nest, proves an exception to the theory of kin selection.
by W. Barksdale Maynard
Immobile Labor
Land-use restrictions lead to growing income disparities between states, Kennedy School researchers find.
Soda and Violence
A Harvard School of Public Health study links soda to teen violence.
by Elizabeth Gudrais
An Arctic Mercury Meltdown
Arctic mercury pollution flows from rivers, not the atmosphere.
Mapping Cultural Change
The General Social Survey asks Americans about issues from race to free speech, confirming some trends and contradicting popular reports of others.
by Elizabeth Gudrais
Cancer-fighting Robots
Shawn Douglas of the Wyss Institute is developing drug-delivering machines that target designated cells.