Should a teacher reward a whole class for the good deeds of one student? What about the other side of the discipline picture: should a whole class be punished for the misdeeds of just a few students?

As adults, we care a lot about whether people receive...

In 2008, a friend sent me a link to a Czech company called IVF Holiday. Clicking the link, I saw images of quaint European towns. These were accompanied by pictures of smiling white babies – and promises of affordable and safe rounds of in vitro fertilization (IVF).

I soon realized I’d stumbled into a...

Millions of citizen scientists have been flocking to projects that pool their time and brainpower to tackle big scientific problems, from astronomy to zoology. Projects such as those hosted by the Zooniverse get people...

The Federal Communications Commission (FCC) made net neutrality the law of the land and pledged to enforce it when it issued its “open Internet order” 13 months ago. That ruling barred Internet service providers (ISPs) from discriminating against certain types of traffic or creating pay-to-play fast lanes.

But a recent trend in the...

Ascetics preparing and smoking opium outside a rural dwelling in India.Wellcome Library, London, CC BY

Abuse of opium products obtained from poppy plants dates back centuries, but today we are witnessing the first instance of widespread abuse of legal, prescribed drugs that, while structurally...

Retail gasoline prices are now as low as they were in the “roaring ‘90s.” The 1990s, that is, when the energy crisis of the 1970s had faded from American consumers’ memories, the economy was strong and the market share...

On March 16, President Obama announced his pick for the Supreme Court vacancy left by the death of Justice Antonin Scalia: Merrick Garland, chief judge of the Court of Appeals for the DC Circuit.

The President described Garland as not only “one of America’s sharpest legal minds,” but also “someone who brings to his...

Bernie Sanders is not going to be the Democratic presidential nominee.

Whatever slim chance Sanders had to capture the nomination ended when Hillary Clinton won convincing victories in the key March 15 primaries. Clinton finished the night with an insurmountable lead of more than 700 delegates and is now within striking distance of the nomination.

Un...

Deciding which teams to pick in your NCAA basketball pool? Then you’re faced with a classic decision problem – and here, science can help.

On one hand, you want to pick good teams, the “favorites,” because those teams seem more likely...

The Zika virus outbreak and its probable association with microcephaly in newborns are prompting calls to loosen Latin America’s strict abortion laws and make birth control more readily available.

Abortion is fully criminalized in six countries in the region. In El Salvador, for instance, women who have abortions can face prison. In many...