An ophthalmologist explains how important tears are to keeping your eyes feeling good and working well – whether you’re on dry land or swimming in a body of water.
Hurricane Hilary was a powerful Category 4 storm as it headed for Baja California on Aug. 18, 2023.
NOAA NESDIS
Forecasters warned of ‘potentially historic rainfall’ and ‘dangerous to locally catastrophic flooding.’ A hurricane scientist explains what El Niño, a heat dome and mountains have to do with the risk.
BRICS foreign ministers meet in Cape Town, South Africa, in June 2023.
Jaco Marais/Die Burger/Gallo Images via Getty Images
Maui officials have asked relatives to provide DNA samples to help identify victims of the Lahaina wildfires. Time and exposure to the elements, however, can make DNA retrieval from remains difficult.
It’s tempting to envision orcas attacking yachts as the forward troops in an animal uprising.
Jackson Roberts/iStock via Getty Images Plus
A few marine mammals in apparent revolt pushed meme-makers into overdrive. But a scholar who thinks about justice and human-animal relations suggests something deeper is behind the schadenfreude.
Do you know who helped ChatGPT give you that clever answer?
Eric Smalley, The Conversation US (composite derived from Library of Congress image)
Language model AIs seem smart because of how they string words together, but in reality they can’t do anything without many people guiding them every step of the way.
Maternal death rates are higher in the U.S. than in other high-income countries.
Tetra Images/Getty Images
Black women died during or soon after pregnancy at higher rates than any other racial group in every year from 1999 to 2019. American Indian and Alaska Native women had the greatest increase in risk during this period.
Donald Trump may be barred from holding public office due to a constitutional amendment disqualifying those who have taken part in ‘insurrection or rebellion.’
Mike Stobe/Getty Images
An analysis of tweets posted by the Ukrainian national government and the Kyiv city government in the early days of the Russian invasion of Ukraine in 2022 shows a national resilience.
The fossil deposits at the La Brea Tar Pits in Los Angeles have well-preserved remains of many prehistoric animals that got stuck in natural asphalt seeps over the past 60,000 years.
Cullen Townsend, courtesy of NHMLAC
Emily Lindsey, University of California, Los Angeles; Lisa N. Martinez, University of California, Los Angeles, and Regan E. Dunn, USC Dornsife College of Letters, Arts and Sciences
New findings from the La Brea Tar Pits in southern California suggest human-caused wildfires in the region, along with a warming climate, led to the loss of most of the area’s large mammals.
Investor pressure could drive down greenhouse gas emissions.
Tippapatt/iStock/Getty Images Plus
Taxing consumption that contributes to climate change hits the poor the hardest, while overlooking the huge profits tied to greenhouse gas emissions.
US President Joe Biden, Japan’s Prime Minister Fumio Kishida and South Korea’s President Yoon Suk Yeol hold a side meeting at the G7 summit.
Brendan Smialowski/AFP via Getty Images
While a cup of joe or a brief nap during an all-nighter might help you feel a little more alert, it won’t offset cognitive impairments from sleep deprivation when you’re performing complex tasks.
Actor Dave Willetts as Jesus in a production of “Jesus Christ Superstar” in Zurich in 1992.
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Is Jesus a peacemaker or a warrior? A socialist or a capitalist? Depending on whom you ask, American Christians see Christ as all these things and more.
A new study found that youth were providing extreme or untruthful responses to CDC surveys on LGBQ student health.
FG Trade/E+ via Getty Images
Potential inaccuracies in CDC high school surveys may have created an exaggerated perception that LGBQ youth engage in risky behaviors, new research shows.
Graphic novels can help make math and physics more accessible for students, parents or teachers in training.
Metamorworks/iStock via Getty Images
Graphic novels pair text and images to explain complex topics – from thermodynamics to abstract math – without alienating STEM-averse students.
Would a fight help them prove to themselves that they are ‘real men,’ despite their soft − probably manicured − hands?
Photo illustration by Jonathan Raa/NurPhoto via Getty Images
Liftoff to the distant asteroid is scheduled for Oct. 5, 2023 – the beginning of a six-year journey to one of the most unusual objects in the solar system.
Getting a leg up from mobile robots comes down to getting a bunch of legs.
Georgia Institute of Technology
A study found that adding legs does more for you than having a good sense of the ground around you − if you’re a mobile robot.
People gather at the Marion County Republican Party headquarters after discussing Issue 1 on July 13, 2023, in Marion, Ohio.
Maddie McGarvey/For The Washington Post via Getty Images
The recent push in Ohio to pass a constitutional amendment was seen as a move to curb abortion rights. It failed. Two scholars say the ballot measure was really about minority rights in a democracy.
Fulton County District Attorney Fani Willis holds a press conference after the grand jury voted to indict former President Donald Trump on Aug. 14, 2023.
Christian Monterrosa/AFP via Getty Images
Trump has trial dates set for three of his four criminal cases. But generally, state and federal prosecutors will coordinate to make sure that their dates don’t overlap.
Anxiety, depression and suicide among U.S. teens continue to increase.
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Steven Berkowitz, University of Colorado Anschutz Medical Campus
Millions of young people in the US are suffering, whether from abuse at home, pressure from social media or exposure to violence. But navigating the mental health care system can be disheartening.