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Jan 14, 2019
Creating an exercise habit doesn't mean you have to spend hours sweating on a treadmill. Start small, build up slowly and remember that all movement counts — even vacuuming, if you do it vigorously.
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Jan 14, 2019
Americans now have a 1 in 96 chance of dying from an opioid overdose, according to a new analysis from the National Safety Council.
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Jan 10, 2019
Pregnant women in intensive care with severe cases of the flu have a higher risk of giving birth to babies prematurely. The risk of breathing problems for the baby is also substantially higher.
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Jan 10, 2019
A new study shows that when ads made hedonistic marketing claims, such as "exotic" or "delicious," rather than targeting environmental interests, more people were willing to try eating insects.
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Jan 09, 2019
Analysis of fossilized dental tartar of a medieval woman buried in a German monastery reveals specks of blue to be lapis lazuli — a luxurious pigment used to create gorgeous illuminated manuscripts.
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Jan 09, 2019
Analysis of fossilized dental tartar of a medieval woman buried in a German monastery reveals specks of blue to be lapis lazuli — a luxurious pigment used to create gorgeous illuminated manuscripts.
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Jan 08, 2019
A study shows that rating systems for online marketplaces are prone to inflation, because raters feel pressured to leave high scores.
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Jan 03, 2019
Scientists have re-engineered photosynthesis, the foundation of life on Earth, creating genetically modified plants that grow faster and bigger. They hope it leads to bigger harvests of food.
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Jan 02, 2019
The instruction many students get is not based on the overwhelming scientific evidence about how kids turn spoken sounds into letters and words on a page.
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Jan 01, 2019
As a freezing winter drives many of us indoors, some extreme athletes embrace the cold as a great way to burn calories and retrain the immune system while working out. Not so fast, physiologists say.
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Jan 01, 2019
Using Medicaid payment data from towns in Alaska that have rejected fluoride in recent years, a new study supports dentists' claims that teeth get worse when the water supply is not fluoridated.
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Dec 31, 2018
Adorable babies and cute puppies can make us happy. But researchers say their cuteness can be so overwhelming that it unleashes some ugly thoughts.
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Dec 29, 2018
Half of the parents of young children in a recent survey said their kids fear going to the doctor. Some admit skipping vaccines and needed appointments. Here's how to nip medical anxiety in the bud.
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Dec 25, 2018
A study shows gift-givers and gift-recipients differ on ideas about best gifts. Whereas recipients prefer sentimental gifts, gift-givers tend to opt for presents that match the recipient's interests.
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Dec 24, 2018
A growing body of research shows keeping a log of what you are thankful for can lower stress, help you sleep better, and may even reduce the risk of heart disease. But it's not for everyone.
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Dec 24, 2018
A question about heading soccer balls inspired a series of experiments to understand how the brain changes shape when someone's head takes a hit.
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Dec 22, 2018
A study found parachutes were no more effective than backpacks in preventing harm to people jumping from aircraft. The researchers' tongue-in-cheek experiment makes a deeper point about science.
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Dec 21, 2018
The European Space Agency's new images show a 51-mile-wide ice-filled depression in the surface of Mars caused by the impact of a meteorite or other celestial body.
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Dec 21, 2018
The Mersenne prime was discovered by a computer in Ocala, Fla., on Dec. 7. Mathematicians have spent the past two weeks verifying the calculations.
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Dec 21, 2018
Research suggests the winter blues are triggered by specialized light-sensing cells in the retina that communicate directly with brain areas involved in mood.
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Dec 19, 2018
As the number of people who inject drugs and share needles has soared, the rate of infection with Hep C has climbed too. Yet many drug treatment patients aren't tested for the liver-damaging virus.
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Dec 18, 2018
U.S. Surgeon General Jerome Adams issued a forceful advisory about vaping by U.S. teenagers, saying electronic cigarette use among young people has reached levels that require urgent action.
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Dec 17, 2018
When Nikki and Danny Miller's two young sons developed strange symptoms, they began searching for a diagnosis. Their odyssey ended when a team of medical sleuths solved the case.
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Dec 13, 2018
U.S. National Academy of Medicine, U.S. National Academy of Sciences, and Chinese Academy of Sciences call for international gene-editing standards. Critics blast statement as inadequate.
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Dec 12, 2018
When fentanyl, a synthetic opioid 50 to 100 times more powerful than morphine, infiltrated the drug supply in the U.S. it had an immediate, dramatic effect on the overdose rate.
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Dec 12, 2018
The U.S. government says warming ocean temperatures and melting ice has resulted in the "most unprecedented transition in history" in the Arctic, leading to extreme weather events across the globe.
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Dec 11, 2018
A team of researchers had been trying to determine whether the armored cruiser was lost to sabotage, an accident or an attack.
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Dec 11, 2018
Hundreds of newspapers have closed across the country. The loss of local reporting means fewer investigations into fraud and waste. That has had an impact on the budgets of cities and towns.
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Dec 10, 2018
Latino USA catches up with Rodrigo Bañuelos at the Latinx in the Mathematical Sciences Conference at UCLA's Institute for Pure and Applied Mathematics.
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Dec 10, 2018
To protect a developing fetus from experimental drugs or treatments that might cause birth defects, pregnant women aren't included in many clinical trials. But that limits the safety evidence, too.
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Dec 07, 2018
American foulbrood is an infectious disease that devastates honeybee hives. Scientists say they've created a vaccine for it, despite a big hurdle: Bees don't have antibodies.
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Dec 07, 2018
Concerns over a Chinese scientist's claim that he created the first gene-edited babies grow with more questions about whether it worked and the possible harm he may have inflicted on the twin girls.
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Dec 05, 2018
The fortuitous dip in emissions of the main greenhouse gas, carbon dioxide, during the past three years is over, as economies turn up. The trend in the near future looks grim, say climate scientists.
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Dec 05, 2018
A large study of Danish kids finds that childhood infections are linked with a higher risk of developing some mental illnesses. The risk is highest in the months immediately following the infection.
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Dec 04, 2018
When the world's population of Channel Island foxes started to vanish in the '90s, no one knew why. Bringing them back from near-extinction has meant unraveling a mystery that started with WWII.
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Dec 03, 2018
Canadian Twitter may truly be a nicer place. Researcher Bryor Snefjella says Canadians tend to tweet more positive words compared to their American counterparts.
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Dec 03, 2018
David Greene talks to Bryor Snefjella, a researcher at McMaster University in Ontario, about why Canadian Twitter users tend to sound more positive than their American counterparts.
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Dec 03, 2018
Protein snacks and supplements are popular, but unless you're an extreme athlete or recovering from an injury, you may already get enough protein in your diet. Here's how to tell how much you need.
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Dec 03, 2018
No longer do kids with concussions need to sit in dark rooms for days on end. For the first time in nearly a decade, the nation's pediatricians have loosened their guidance on concussion recovery.
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Nov 30, 2018
MRI scans of the brains of young football players suggest that repeated blows to the head can change the shape of nerve fibers in the corpus callosum, which connects the two halves of the brain.
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Nov 29, 2018
The Second International Summit on Human Genome Editing issues a consensus on how scientists might responsibly move forward to create gene-edited babies in the wake of a rogue scientist's claims.
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Nov 29, 2018
The Second International Summit on Human Genome Editing issues a consensus on how scientists might responsibly move forward to create gene-edited babies in the wake of a rogue scientist's claims.
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Nov 28, 2018
Attorney for the Ex-Trump campaign chairman reportedly briefed Trump's legal team on Mueller probe. Indonesian investigators report on Lion Air crash. Chinese scientist defends gene-editing research.
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Nov 28, 2018
He Jiankui, who shocked the world by asserting he had genetically edited twin girls, faced growing criticism from other researchers as he spoke at a scientific conference in Hong Kong.
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Nov 28, 2018
He Jiankui, who shocked the world by asserting he had genetically edited twin girls, faced growing criticism from other researchers as he spoke at a scientific conference in Hong Kong.
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Nov 27, 2018
In a quest to rapidly advance its scientific depth and breadth, China is recruiting scientists from around the world. Some from the U.S. say the greater funding for school and research is freeing.
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Nov 26, 2018
According to The Associated Press, a Chinese scientist says that he has helped to create the first genetically edited babies. There's no independent confirmation of his claim.
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Nov 26, 2018
A scientist says he created the first genetically edited babies using CRISPR to protect them from infection with the AIDS virus. The move has prompted immediate criticism as premature and reckless.
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Nov 25, 2018
There's a new probe nearing Mars. After Monday's tricky landing, NASA's InSight spacecraft is to deploy a sensitive seismometer and temperature probe to let scientists explore the planet's interior.
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Nov 25, 2018
There's a new probe on Mars. After Monday's tricky landing, NASA's InSight spacecraft is to deploy a sensitive seismometer and temperature probe to let scientists explore the planet's interior.
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Nov 24, 2018
The economy could take a major hit if climate change continues at its current pace, according to the latest National Climate Assessment. NPR's Michel Martin speaks with climate scientist Michael Mann.
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Nov 15, 2018
This week we focus on the behavior of the youngest members of the human race. We try to translate the mysterious language of babies. And we ask, when should we step back and just let our children be?
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Nov 15, 2018
A genetic analysis of samples taken from a large UK health database suggest that people who are more sensitive than their peers to the bitter taste of caffeine tend to drink more coffee — not less.
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Nov 14, 2018
New research finds they sustained skull injuries at about the same rate as early modern humans. "I definitely think that it's evidence these guys were not beating each other up," one expert says.
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Nov 13, 2018
Many schools give attendance awards to motivate students. A study found students who were awarded for perfect attendance went on to have more absences than their peers who weren't given the award.
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Nov 13, 2018
A small cylinder called Le Grand K has defined the kilogram for more than a hundred years. But if a scratch ever rendered it lighter, the definition of the kilo literally shifted. Time for a change.
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Nov 10, 2018
After years of debate, a major government funded study failed to find any overall benefit of taking widely used supplements to protect against heart disease or cancer.
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Nov 10, 2018
After years of debate, a major government funded study failed to find any overall benefit of taking widely used supplements to protect against heart disease or cancer.
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Nov 09, 2018
Bees exposed to a type of insecticides called neonicotinoids dramatically changed their behavior — becoming sluggish, antisocial and spending less time caring for the colony's young, researchers say.
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Nov 09, 2018
New research highlights the link between childhood trauma and mental illness and addiction in adulthood, leading some researchers to call it an issue as pressing as any infectious disease.
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Nov 08, 2018
When people are feeling glum, it often means that brain areas involved in emotion and memory are communicating. Researchers have now observed the circuit in action in humans.
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Nov 07, 2018
In mice genetically programmed to develop Alzheimer's symptoms, those given a synthetic version of a chemical in marijuana retained normal memory function.
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Nov 07, 2018
The Pentagon wants university researchers to find ways to protect crops in the field using infectious viruses carried by insects. Critics think it looks like bioweapons research.
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Nov 06, 2018
Biologists are keen to understand how a type of flatworm known as a planarian uses powerful stem cells to regenerate an entire body from a headless sliver of itself.
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Nov 04, 2018
Working memory is where the brain keeps bits of information in everyday life handy. But brain scientists don't agree on how working memory works.
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Nov 02, 2018
Critics, including some leading anesthesiologists, say the drug is unnecessary, and they worry it will be diverted and abused. The Food And Drug Administration says it is addressing safety concerns.
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Nov 02, 2018
After her double mastectomy, writer Catherine Guthrie came to embrace her new body, without breast reconstruction. But she's learned, women have to push the medical system to support this choice.
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Nov 01, 2018
As a woman ages, choosing when to try for a second or third child means weighing fertility odds against the risks of getting pregnant again too soon. A new study provides more data to help decide.
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Oct 31, 2018
Two new studies suggest that minimally invasive surgery for early stage cervical cancer patients leads to death and recurring disease more often than standard surgery through a large incision.
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Oct 31, 2018
A new study found that birds' dinosaur relatives had eggs with traces of two pigments—a red-brown one and a blue-green one. In today's birds that might produce a color such as robin's egg blue.
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Oct 31, 2018
The CDC estimated that 72,000 people died of drug overdoses in 2017. There are many reasons why the opioid crisis is so hard to confront. One of them is social stigma.
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Oct 30, 2018
When researchers convinced a group of young people to stop smoking pot, their cognition quickly improved. This adds to research warning against teen pot use, despite marijuana's growing acceptance.
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Oct 26, 2018
To design a "moral machine," researchers updated a classic thought experiment for the autonomous vehicle age. But do we really want artificial intelligence making decisions on who lives or dies?
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Oct 26, 2018
A research start-up is connecting parents with scientists in hopes of sparking new research on diseases whose survival rates and treatment options haven't budged in 30 years
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Oct 25, 2018
A brain structure that helps us walk a straight line also appears to play a central role in emotional control and decision-making. The findings about the cerebellum challenge years of dogma.
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Oct 23, 2018
The vessel dates back 2,400 years to the days of ancient Greece. "This will change our understanding of shipbuilding and seafaring in the ancient world," says archaeologist Jon Adams.
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Oct 22, 2018
A very small study shows that microplastics are in human waste in many parts of the world. While it's not entirely clear what that means for our health, it might be a sign that we need to pull back.
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Oct 22, 2018
Though widely prescribed in hospital intensive care units to treat hallucinations and other signs of delirium, Haldol and similar drugs are no better than a placebo for such patients, a study finds.
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Oct 22, 2018
Though widely prescribed in hospital intensive care units to treat hallucinations and other signs of delirium, Haldol and similar drugs are no better than a placebo for such patients, a study finds.
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Oct 22, 2018
Two large studies show that age-related memory loss can be slowed significantly when older people promptly address hearing and vision loss.
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Oct 18, 2018
All kinds of bacteria live with us indoors, and some can make us sick. A new study shows that rooms exposed to light had about half the live bacteria found in rooms that were kept in darkness.
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Oct 18, 2018
A scientific paper published this week predicts climate change will send beer prices skyrocketing and drastically reduce the barley crop. It got tons of media attention. But is beer really doomed?
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Oct 18, 2018
A scientific paper published this week predicts climate change will send beer prices skyrocketing and drastically reduce the barley crop. It got tons of media attention. But is beer really doomed?
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Oct 17, 2018
Cottonseed is full of protein but toxic to humans and most animals. The USDA has approved a genetically engineered cotton with edible seeds. They could eventually feed chickens, fish — or even people.
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Oct 17, 2018
A new analysis of what were initially thought to be microbial fossils in Greenland suggests they might instead just be mineral structures created when ancient tectonic forces squeezed stone.
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Oct 17, 2018
Black men are hit hardest by prostate cancer, but they are underrepresented in research. Researchers held focus groups in three states to understand why.
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Oct 16, 2018
In 2003, Paul Allen created an institute to figure out how the human brain works. That institute has already made contributions that may turn out to be part of his greatest legacy.
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Oct 16, 2018
A social scientist says some portion of people's political leanings can come from an unlikely source: their DNA.
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Oct 15, 2018
Sometimes discoveries derived from patients' medical data become the foundation of new profit-making companies. A fledgling industry wants to help patients get a cut of the cash.
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Oct 15, 2018
Sometimes discoveries derived from patients' medical data become the foundation of new profit-making companies. A fledgling industry wants to help patients get a cut of the cash.
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Oct 11, 2018
A majority of Americans of European descent could be linked to third cousins, or closer relatives, using genealogy databases, a study finds. Soon it may be possible to identify nearly everyone by DNA.
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Oct 11, 2018
Our ability to see colors develops in the womb. Now scientists have replicated that process in the lab using human cells that grow into a functioning retina.
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Oct 10, 2018
People who suffer from prolonged delirium in the hospital are likely to develop long-term mental problems like dementia. Doctors have come up with techniques they say can reduce delirium in the ICU.
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Oct 10, 2018
Up to half of all patients who survive emergency medical treatment in the intensive care unit have mental problems when they return home. Doctors studying the problem say it starts with delirium.
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Oct 09, 2018
When HIV-positive people leave prison, they often lose access to medical care and the drugs that suppress the virus. It's a missed opportunity in the fight against HIV, public health advocates say.
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Oct 09, 2018
Black women are more likely to die from breast cancer than white women. One reason may be that they face economic and cultural barriers to taking the medications that can prevent recurrence.
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Oct 09, 2018
North Atlantic right whales used to turn up large numbers off Maine's coast, but now, adapting to climate changes, they are being spotted further north in Gulf of St. Lawrence.
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Oct 08, 2018
Evidence from a site in Belize shows the Maya not only had large-scale salt-producing operations along the coast, they were also using salt to preserve fish for their extensive trade networks.
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Oct 08, 2018
Evidence from a site in Belize shows the Maya not only had large-scale salt-producing operations along the coast, they were also using salt to preserve fish for their extensive trade networks.
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Oct 08, 2018
Evidence from a site in Belize shows the Maya not only had large-scale salt-producing operations along the coast, they were also using salt to preserve fish for their extensive trade networks.
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