Little Missouri River, North Dakota.
Recent research shows that US rivers are becoming saltier and more alkaline. Salt pollution threatens drinking water supplies and freshwater ecosystems, but there is no broad system for regulating it.
Could too much light in the evening affect children’s sleep? Recent research suggests that it could.
A recent study suggested that a chemical responsible for getting the body ready for sleep was suppressed in children by too much evening light. A circadian rhythm expert explains the dangers.
When persons with dementia engage with others who share their passion for the game, colorful memories can emerge.
A new form of therapy gives people with dementia the opportunity to chat with other baseball fans, watch footage of old games and even play wiffle ball.
John James Audubon’s ‘Carolina Parakeets.’
The last Carolina parakeet died in a zoo a century ago. A scientist tries to unravel some of this bird's lasting mysteries.
Fans plead for an autograph from Shohei Ohtani, Major League Baseball’s newest Japanese import.
Chris Carlson/AP Photo
The effects of war, economic tension and accidental deaths have been mitigated by a sport that both cultures treasure.
Las inundaciones ocurren con bastante frecuencia en Nezahualcoyotl, una ciudad mexicana cerca de la capital.
AP Photos/Eduardo Verdugo
En muchas ciudades mexicanas, el aqua se trata como una moneda de cambio, un favor político que los oficiales públicos puedan intercambiar por votos, sobornos y poder.
North Korean leader Kim Jong Un.
A scholar who has profiled leaders like Saddam Hussein and Vladimir Putin says there is a method to understanding the madness.
Flooding is a common hazard in Nezahualcoyotl, a Mexican city just outside the nation’s capital.
AP Photos/Eduardo Verdugo
In many Mexican cities, water is treated as a political bargaining chip – a favor that public officials can trade for votes, bribes or power.
A Happy Meal with chocolate milk and cheeseburger at a Brandon, Miss., McDonald’s.
AP Photo/Rogello V. Solis
McDonald's recently announced it will make its Happy Meal, which accounts of about 15 percent of all sales, healthier. Will it make kids healthier? That's unclear, but it could lower parents' guilt.
A choir sings traditional gospel music.
Staff Sgt. Bernardo Fuller
For the enslaved Africans, music – rhythm in particular – became a tool of communication about their conditions. Later, it laid the foundation for spirituals and gospel songs.
Wearable systems can reveal just how hard these skaters’ bodies are working.
AP Photo/Bernat Armangue
Wearables help regular people track their activity, but sophisticated technology can give deeper insights to elite athletes.
A flu patient at ProMedica Toledo Hospital in Toledo, Ohio on Jan. 8, 2018.
AP Photo/Tony Dejak
Anyone who's had the flu can attest that it makes them feel horrible. But why? What is going on inside the body that brings such pain and malaise? An immunologist explains.
Millions of American students miss large chunks of the school year.
A new report says a "culture of passing" led to the graduation scandal at Ballou High School in Washington, DC, but the scandal points to the much larger problem of chronic absenteeism in the US.
Patients in 29 states can legally use medical marijuana to treat their symptoms.
Patients in 29 states rely on medical marijuana to treat pain, nausea, seizures and other ailments. But all that could change.
A man who is overweight walking alone in a park. Walking with a doctor could be helpful for overweight patients.
Rudd Center for Food Policy and Obesity
Health care providers often recommend exercise to overweight people as a way to lose weight, but that often does not work. Injuries can occur, and frustration can mount. Can walking with them work?
Ritual feasting emerged around the time humans were beginning to farm. It came to play an important role in societal bonding, much as it does today.
Working together on a once-a-year project feels festive and special.
Holiday traditions – whether culinary, religious, decorative or musical – help families bond and individuals feel stable and content.
The leaves of the plant kratom.
The herb kratom has a large following and is so popular that it is sold in vending machines. The FDA recently issued a public warning about the herb, which contains low levels of opioids.
Agama mengajarkan kebaikan, tapi pengikutnya lebih banyak yang tidak mengamalkan.
Orang di seluruh dunia berprasangka buruk pada ateis, menuduh mereka jahat. Tapi sebenarnya penelitian menemukan orang beragama kerap merasa dirinya baik, padahal tidak selalu demikian.
Angka harapan hidup terus meningkat. Tapi berapa lama kita bisa tetap hidup sehat?
Berapa tahun lagi tersisa buat Anda sebelum jatuh sakit—kemudian meninggal? Kami mencoba menemukan jawabannya.