North Korea leader Kim Jong Un and U.S. President Donald Trump shake hands.
AP Photo/Susan Walsh
The declaration was thin, but the meeting itself will have a significant impact on how Trump makes foreign policy decisions moving forward.
Copepod with eggs (blue). Copepods are typically just a few millimeters long, but are important food sources for small fish.
DNA sequencing is making it possible for scientists to identify thousands of species of zooplankton – drifting animals that are key links in ocean food webs.
Pour nourrir la planète doit-on passer par les techniques de génie génétique ?
Si vous craignez les OGM, sachez qu’il est aujourd’hui possible de manger des plantes génétiquement modifiées non OGM ! En tout cas pas aux yeux des autorités américaines.
Photos and history of Holocaust victims frame the ceiling of the Hall of Names at Yad Vashem, the Holocaust Museum in Jerusalem.
White House photo by Chris Greenberg
Foundational to the work of Holocaust educators and many teachers have been the survivors. Given there are fewer survivors who are alive today, how do educators inform future generations?
The lighter citrus plants have been edited using CRISPR to alter the phytoene desaturase (PDS) gene which gives them a white color.
GMO crops have been rejected in many countries where food shortages are dire. Now, a scientist at the University of Connecticut has figured out how to create better crops with DNA editing.
North Korean leader Kim Jong Un, left, and South Korean President Moon Jae-in take a big step together on April 27, 2018.
(KoreKorea Summit Press Pool via AP
You have to walk before you can run, and baby steps are the best way forward in Korea.
National Memorial for Peace and Justice.
AP Photo/Brynn Anderson
Although fewer black women were lynched in the US than men, their stories have been marginalized. Will a new memorial in Alabama help make their sacrifices known?
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.