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Detention nation

As locking up immigrants has become common in the US, scholars tackle ‘crimmigration’ and its complexities

Treating the growing trauma of family separation

War, disasters, trafficking and immigration are tearing millions of children from their parents all around the world. A psychologist explores how to help them recover.

Why green energy finally makes economic sense

Solar and wind generators have suddenly become just as cheap as other ways to produce electric power

Sell-by dates | Things to Know

VIDEO: Time stamps on packaging prompt consumers to toss a lot of food, but what do they actually say about safety?

The tricky task of tallying carbon

To slow or stop global warming, the world agrees it must cut carbon dioxide emissions. But monitoring each nation’s output of greenhouse gases is not always straightforward.

Why scientists need to be better at data visualization

The scientific literature is riddled with bad charts and graphs, leading to misunderstanding and worse. Avoiding design missteps can improve understanding of research.  

Profiling the perpetrators of past plagues

The ancient pathogens in old graves are as dead as the people they once infected. Still, they tell a vivid tale.

Measuring surgical quality

Not all surgeons are equally skilled with a scalpel. Doctors are developing new ways to test — and improve — operating room performance.

The global soda tax experiment

An increasing number of cities and countries have begun taxing sugary beverages. But can raising the price of these drinks really make a dent in obesity, diabetes and other ailments?

Revenge is bittersweet at best

Research is starting to reveal how the urge for vengeance may have evolved, when it can be useful and what could prevent the violence it can provoke

What electronic games can teach us

Digital play can enhance certain types of learning, but how to harness that potential for the classroom remains a prize question

Going gentle

A sociologist explains how to get the most out of the final months of life

The brain, the criminal and the courts

States of mind that the legal system cares about — memory, responsibility and mental maturity — have long been difficult to describe objectively, but neuroscientists are starting to detect patterns. Coming soon to a courtroom near you?

Analytics wind up for a shot in ice hockey

Moneyball-like statistical tools have already changed baseball, basketball and football. But bringing such methods to the ice has proved challenging. That might soon be changing.

War and drugs: Together since forever

Alcohol-drenched medieval battlefields. Opium-laced imperialism. Modern-day narco-terrorism. There’s a lot of history between armed conflict and psychoactive substances.

Sex strategies of the evolutionary kind

For women, a short-term fling may involve a quest for good genes or just a good time. It’s a puzzle for the researchers looking at how people choose mates.

If it pleases the Prosecution

The immense powers of prosecutors throughout the US mean that the scales are tipped against defendants — and justice itself, says a legal expert

A blizzard of “sustainability” labels

Earth-friendly certifications and standards abound for products like coffee, chocolate and palm oil. But do the programs work?