Polling can take the pulse of a population’s sentiment, but swing voters, skewed samples and other issues have always limited its ability to pick a winner
By Marcus Woo
As locking up immigrants has become common in the US, scholars tackle ‘crimmigration’ and its complexities
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.
Solar and wind generators have suddenly become just as cheap as other ways to produce electric power
Are we supposed to take care of the planet or should it take care of us? Willis Jenkins explains how religion shapes the conflicting views over climate change and other environmental issues.
By Stephanie Parker
VIDEO: Time stamps on packaging prompt consumers to toss a lot of food, but what do they actually say about safety?
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.
The scientific literature is riddled with bad charts and graphs, leading to misunderstanding and worse. Avoiding design missteps can improve understanding of research.
The vast majority of people in antiquity were too poor to leave many artifacts behind. But archaeologists have learned how to look beyond the temples and palaces.
By Bob Holmes
The ancient pathogens in old graves are as dead as the people they once infected. Still, they tell a vivid tale.
Not all surgeons are equally skilled with a scalpel. Doctors are developing new ways to test — and improve — operating room performance.
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?
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
Digital play can enhance certain types of learning, but how to harness that potential for the classroom remains a prize question
A sociologist explains how to get the most out of the final months of life
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?
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.
Alcohol-drenched medieval battlefields. Opium-laced imperialism. Modern-day narco-terrorism. There’s a lot of history between armed conflict and psychoactive substances.
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.
The immense powers of prosecutors throughout the US mean that the scales are tipped against defendants — and justice itself, says a legal expert
Earth-friendly certifications and standards abound for products like coffee, chocolate and palm oil. But do the programs work?