coverstory

By age 10, most people are exposed to enough radiation to be at risk, but the science is so complicated that exposure could even have benefits.

In Northern California, where the drug laws can change with the mile markers, a supplier of medical marijuana risks going one toke over the (county) line.

Since the LAPD's cold case unit began 10 years ago, detectives have used science to arrest serial killers and dozens of others who thought they had gotten away with murder.

The world’s best school systems depend on teacher collaboration, but the concept has not caught on in the U.S. We found schools where teamwork is making a difference.

Carol Meteyer solves cases of mysterious wildlife death using advanced forensic skills to help prosecute people who kill animals in violation of federal law.

Big money, big energy and big environmentalism join forces to support big solar energy projects on federal land in the Southwest. But could these "green" projects actually be anti-environmental boondoggles in the making?

Drinking, smoking, taking prescription meds or failing to eat a balanced diet can influence the health of men's future children.

Putting carbon dioxide in the ocean is a terrible way to deal with climate change. Maybe we should do it.

How the potent hormone of empathy, oxytocin, is shaking up the field of economics.

It's not insufficient schooling or a shortage of scientists. It's a lack of job opportunities. Americans need the reasonable hope that spending their youth preparing to do science will provide a satisfactory career.

The human tendency toward war is based on biology, but the right family planning policies can redirect the world toward peace.

How brain-scanning technology is redefining criminal culpability.

Producing 'natural' cotton clothing is a huge and filthy global business that, Chinese-commissioned research shows, will be extremely difficult to clean up.

MDMA holds promise as part of a therapy that helps post-traumatic stress patients confront and extinguish their fears. But ecstasy's recreational reputation has slowed research.

Does the stress of living in a white-dominated society make African Americans get sick and die younger than their white counterparts? Apparently, yes.

In light of Justice David Souter's retirement plans and speculation that a female jurist will replace him, we're revisiting this October 2008 story that details the effect women judges can have on a panel.

A Miller-McCune Research Essay by Columbia University professor Shahid Naeem on the importance of biodiversity and the true significance of the human species.

A nonprofit group is working to create the new Rwanda, made by orphans.

Because it's not just the economy, our experts offer some solutions to problems that were under-discussed during the campaign.

Faced with a horrific drug problem, Vancouver is trying a radical experiment: Let junkies be junkies.

A Danish professor promotes a cure for billion-dollar cost overruns in government megaprojects: Use past boondoggles as a baseline.

An unprecedented era of great-power aging makes it likely the 21st century will, again, be American.

How Europe's trade model could solve America's immigration problem.