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There are many cheap and effective ways to provide safe water to the world’s poor regions. But projects often fail due to inadequate planning, maintenance or persuasive power.
VIDEO: How old is the Grand Canyon? Will the Colorado River run dry? Learn about how the Big Ditch formed and the present state and uncertain future of the Colorado River watershed.
OPINION: Volcanologists warn that magma-filled vents evolve over time, leading to an underestimation of the number that might erupt — especially those capable of the biggest explosions
VIDEO: Learn how the baby brain changes from gestation to toddlerhood, and what parents, teachers and policymakers can do to ensure kids are set up for success
It’s a hot topic under political debate: providing cash grants as a social safety net. Small programs hint at how it might work — or not — on a national scale.
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.
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?
Psychologists are seeking better ways to cut the link between dire thoughts and fatal action. Among their strategies: individualized plans for pulling back from the brink, and limiting access to deadly means, especially guns.
In an evolving branch of forensic science, genealogists help solve crimes, sometimes identifying suspects with the DNA of distant relatives they’ve never met. As cold cases yield, concerns about privacy issues persist.
From the boardroom to the basketball court, some managers rely on berating and bullying employees. Researchers have learned one thing: It doesn’t work.
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.
Alcohol-drenched medieval battlefields. Opium-laced imperialism. Modern-day narco-terrorism. There’s a lot of history between armed conflict and psychoactive substances.
COMIC: In the US, where political parties have increasingly staked claims on one side of the issue or the other, beliefs may be more about belonging than facts
Utterances like um, wow and mm-hmm aren’t garbage — they keep conversations flowing
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