February 15, 2020
A new study in mice concludes stress can cause gray hair—and credits overactive nerves with the change in hue. Karen Hopkin reports.
February 14, 2020
A very fine grind can actually hamper espresso brewing, because particles may clump more than larger particles will.
February 11, 2020
Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food, even without training.
February 8, 2020
Neandertals ate clams and then modified the hard shells into tools for cutting and scraping.  
February 7, 2020
Whiskies claimed to be from the 19th century are revealed to be made with much more recently grown barley thanks to the unique isotopic fingerprint of the nuclear testing era.
February 6, 2020
By outfitting 169 albatrosses with GPS data loggers, scientists were able to track fishing boats apparently trying to hide their location. Christopher Intagliata reports.
February 4, 2020
A few brief reports about international science and technology from around the world, including one from Congo about a toad that has evolved coloring that makes it look like a deadly snake's head.
February 2, 2020
Groundhogs are less accurate at weather forecasting than are coin flips, but they are nevertheless pretty interesting critters.
February 1, 2020
One hypothesis says the ability to vocalize arose in nocturnal animals—and a new evolutionary analysis suggests there may be some truth to it. Christopher Intagliata reports.
January 31, 2020
Well more than 100 distinct sign languages exist worldwide, with each having features that made it possible for researchers to create an evolutionary tree of their lineages.
January 27, 2020
Researchers dialed down the default number of opioids in two hospitals’ prescription systems—and doctors ended up prescribing fewer pills. Christopher Intagliata reports.
January 26, 2020
Some wolf pups will play fetch with a stranger, suggesting that an ability to playfully interact with people could have come before, and played a role in, dog domestication.
January 25, 2020
By listening to the sounds of the forest, biologists were able to identify an invasion of barred owls in spotted owl habitat. Christopher Intagliata reports.
January 24, 2020
The cat parasite Toxoplasma gondii boosts curiosity in mice—which makes them more likely to be caught by cats, thus continuing the parasite’s life cycle. Karen Hopkin reports.
January 17, 2020
The remora clings to other fish—and appears to use an unusual sense of touch to do so. Christopher Intagliata reports.
January 16, 2020
Mussels and crabs are two of the creatures most likely to invade Antarctica in the next 10 years, a panel of scientists say. Christopher Intagliata reports.
January 14, 2020
Soil bacteria may have taken residence in early algae species, gifting the algae with the ability to withstand drier conditions on land. Annie Sneed reports.
January 13, 2020
The Murchison meteorite, which screamed to Earth 50 years ago, carried with it stardust that's seven billion years old. Christopher Intagliata reports.
January 12, 2020
Hunted areas of Gabon have fewer large mammals and a thicker forest understory—but they also have fewer termites. Jason G. Goldman reports.
January 10, 2020
The starfish relatives can recognize patterns using photoreceptors on their arms—and their color-changing abilities could have something to do with it. Christopher Intagliata reports.
January 8, 2020
Scientists observed two Atlantic puffins using sticks to scratch themselves—the first known instance of seabirds using tools. Christopher Intagliata reports.
January 7, 2020
The 2019 New York Yankees’ record number of injuries led to a change in training staff that will almost certainly correlate with, but not necessarily cause, a lower injury rate this coming season.
January 6, 2020
A few brief reports about international science and technology from Indonesia to Spain, including one from Brazil about the highest-voltage electric eel ever discovered.
January 4, 2020
In South Africa archaeologists found the charred remains of a roasted root vegetable. Christopher Intagliata reports.
January 3, 2020
Getting around the sun last year was some trip.
December 27, 2019
By comparing how DNA gets altered over the lifetimes of people and dogs, researchers came up with a new way to compare canine years to human years.
December 27, 2019
Research suggests people value gifts more when they have to unwrap them. But how do we avoid all the wasted paper? Christopher Intagliata reports.
December 25, 2019
Human hair tested stronger than thicker fibers from elephants, boars and giraffes, providing clues to materials scientists hoping to make superstrong synthetic fibers.
December 21, 2019
Certain species of bacteria and fungi seem to proliferate on dandruff-ridden scalps. The reason is a little more mysterious. Christopher Intagliata reports.
December 19, 2019
Tiger moth species that contain bad tasting and toxic compounds are nonchalant in the presence of bats, while edible moth species evade their predators.
December 19, 2019
In shallow waters off the coast of Israel, archaeologists have found entire villages—including one with a sunken seawall. Christopher Intagliata reports.  
December 15, 2019
Here’s an argument that citizen scientists deserve co-authorship on scientific journal papers to which they contributed research.
December 14, 2019
While some hydropower facilities release almost no greenhouse gases, others can actually be worse than burning fossil fuels.
December 12, 2019
People in certain ZIP codes are more likely to purchase products that flop, buy homes that are poor investments, and pick political candidates who lose. Christopher Intagliata reports.
December 12, 2019
Residents of an overwintering station in Antarctica provided linguists with evidence of the first small changes in speech that may signal the development of a new accent.
December 10, 2019
Archaeologists unearthed wood from a Roman villa when digging Rome’s subway—and scientists determined the planks came all the way from France. Christopher Intagliata reports.
December 10, 2019
The white bellbird of the Amazon may be the loudest bird in the world.
December 5, 2019
Playing the sounds of a healthy reef near damaged corals may help bring the fish community back. Christopher Intagliata reports.
December 4, 2019
A study done in South America found that with increasing population density humans had more diversity of fungi on the skin but less microbial diversity in the gut.
December 4, 2019
The fiberoptic cables that connect the global internet could potentially be used as seismic sensors. Christopher Intagliata reports.
December 3, 2019
A few brief reports about international science and technology from Mexico to Tanzania, including one about the need to quarantine bananas in Colombia potentially infected by a fungus.
November 30, 2019
Ground penetrating radar can detect tiny density differences that lead to images of ancient footprints impossible to discern by eye.
November 25, 2019
Indigenous artists in what’s now British Columbia created pigments by cooking aquatic bacteria. Christopher Intagliata reports.
November 25, 2019
Recycled wastewater can be cleaner than bottled water, but people still avoid drinking it because of their disgust over its past condition.
November 22, 2019
Bots masquerading as humans in a game outperformed their human opponents—but the their superiority vanished when their machine identity was revealed. Christopher Intagliata reports.
November 21, 2019
Researchers activated specific brain cells in zebra finches to teach them songs they'd ordinarily have to hear to learn.
November 20, 2019
Pet dogs appeared more interested in videos of a bouncing ball when the motion of the ball matched a rising and falling tone. Christopher Intagliata reports.
November 17, 2019
Archaeologists working in the ancient city of Hierakonpolis discovered five ceramic vats containing residues consistent with brewing beer.
November 14, 2019
Cats are clingier to their human owners than their reputation would suggest. Karen Hopkin reports.
November 13, 2019
Study subjects with a gene variant that heightened their sensitivity to bitterness tended to eat fewer vegetables than people who didn’t mind bitter flavors. Christopher Intagliata reports.
November 10, 2019
A measles-like virus is ricocheting through marine mammal populations in the Arctic—and melting sea ice might be to blame. Christopher Intagliata reports.
November 8, 2019
Researchers tracked thousands of individual ants to determine how they move in vast numbers without stumbling into gridlock.
November 6, 2019
In an analysis of chess and tennis matches, players rising in the rankings did better than expected against higher-ranked opponents and better than similarly ranked players who were not rising.  
November 6, 2019
Within just a third of a second of hearing a snippet of a familiar refrain, our pupils dilate, and the brain shows signs of recognition. Christopher Intagliata reports.
November 2, 2019
A few brief reports about international science and technology from Brazil to Hong Kong, including one about male elephants in India exhibiting unusual social behaviors.
October 31, 2019
The pumpkin's ancestor was an incredibly bitter, tennis-ball-sized squash—but it was apparently a common snack for mastodons. Christopher Intagliata reports.
October 30, 2019
In cold, northern climates, eggs tend to be darker and browner—heat-trapping colors that allow parents to spend a bit more time away from the nest. Christopher Intagliata reports.
October 29, 2019
Green crabs learned to navigate a maze without making a single wrong turn—and remembered the skill weeks later. Christopher Intagliata reports.
October 24, 2019
The phainopepla migrates from southern California to the desert southwest to breed in the spring before flying to California coastal woodlands to breed again in summer.
October 24, 2019
A gigantic fish from the Amazon has incredibly tough scales—and materials scientists are looking to them for bulletproof inspiration. Christopher Intagliata reports.
October 23, 2019
The Saharan silver ant feeds on other insects that have died on the hot sands, which it traverses at breakneck (for an ant) speeds.
October 22, 2019
Synthetic repellents like DEET seem to mask the scent of our "human perfume”—making us less obvious targets for mosquitoes. Christopher Intagliata reports.
October 18, 2019
The resonant properties of your skull can amplify some frequencies and dampen others--and in some cases, affect your hearing. Christopher Intagliata reports.
October 16, 2019
The Dsup protein protects DNA under conditions that create caustic free radical chemicals.
October 16, 2019
Rumblings on the Red Planet act like x-rays, allowing scientists to probe the hidden interior of Mars. Christopher Intagliata reports.
October 11, 2019
Algorithms are already used to remove online hate speech. Now scientists have taught AI to respond—which they hope might spark more discourse. Christopher Intagliata reports.
October 9, 2019
The 2019 Nobel Prize in Chemistry goes to John Goodenough, M. Stanley Whittingham and Akira Yoshino “for the development of lithium-ion batteries.”
October 8, 2019
The 2019 Nobel Prize in Physics goes to James Peebles "for theoretical discoveries in physical cosmology" and to Michel Mayor and Didier Queloz "for the discovery of an exoplanet orbiting a solar-type star."
October 7, 2019
The 2019 Nobel Prize in Physiology or Medicine goes to William G. Kaelin Jr, Sir Peter J. Ratcliffe and Gregg L. Semenza “for their discoveries of how cells sense and adapt to oxygen availability.” They identified molecular machinery that regulates gene activity in response to changing levels of oxygen.
October 7, 2019
DNA from the teeth of medieval plague victims indicate that the pathogen likely first arrived in eastern Europe before spreading across the continent.
October 5, 2019
Scientists found eight species of nematodes living in California's harsh Mono Lake—quintupling the number of animals known to live there. Christopher Intagliata reports.
October 2, 2019
Tiny insects called treehoppers produce very different mating songs at higher versus lower temperatures, but the intended recipient still finds the changed songs attractive.
October 2, 2019
Adult corals can reshuffle their symbiotic algae species to adapt to warming waters—and, it appears they can pass those adaptations on. Christopher Intagliata reports.
October 1, 2019
The brains of blind people repurpose the vision regions for adaptive hearing, and they appear to do so in a consistent way.
September 29, 2019
A few brief reports about international science and technology from Hungary to Japan, including one about a wine grape in France that DNA testing shows has been cultivated for almost a millennium.
September 25, 2019
Western ears consider a pitch at double the frequency of a lower pitch to be the same note, an octave higher. The Tsimane’, an indigenous people in the Bolivian Amazon basin, do not.
September 25, 2019
BBC and Netflix nature documentaries consistently shy away from showing viewers the true extent to which we've damaged the planet. Christopher Intagliata reports.
September 19, 2019
A slight temperature difference at night between a surface losing heat and the surrounding air can be harnessed to generate electricity to power lights.
September 18, 2019
Homo erectus used hand axes to butcher elephants and other game. But a new study suggests they also used finer, more sophisticated blades. Christopher Intagliata reports.
September 17, 2019
Microplastic particles are everywhere, but in freshwater systems, 60 percent of particles are clothing lint from laundry.
September 16, 2019
A study finds no deleterious effects on mental health when kids spend their leisure time texting and engaging in other online activities.
September 13, 2019
As the little structures grow, their constituents specialize into different types of brain cells, begin to form connections and emit brain waves. They could be useful models for development and neurological conditions.
September 13, 2019
Squirrels constantly scan their surroundings for hawks, owls and other predators. But they also surveil for threats by eavesdropping on bird chatter. Christopher Intagliata reports.
September 12, 2019
Lava flow records and sedimentary and Antarctic ice core data show evidence of planetary magnetic field activity 20,000 years before the beginning of the last pole reversal.
September 11, 2019
At the Kermadec Islands, humpbacks from all over the South Pacific converge and swap songs. Christopher Intagliata reports.
September 9, 2019
Better food labeling could prevent people from throwing away a lot of "expired" food that's still perfectly edible.
September 5, 2019
The conditions of sunlight, temperature, humidity and wind that make cropland good for agriculture also maximize solar panel efficiency.
September 5, 2019
It’s not easy to recycle polyurethane, so it’s usually tossed out or burned. But a chemical tweak can turn polyurethane into glue. Christine Herman reports.
September 3, 2019
Wild animals that live near humans have higher cholesterol than their rural counterparts - and our food could be to blame. Christopher Intagliata reports.
August 30, 2019
As Hurricane Dorian approaches Florida, consider that feeding style means that aggressive tangle-web spider colonies produce more offspring after severe weather, while docile colonies do better in calm conditions.
August 28, 2019
A small patch of graphene on human skin seemed to block the mosquitoes' ability to sense certain molecules that trigger a bite. Christopher Intagliata reports.
August 26, 2019
Microbes fly tens of miles over Chile’s dry, UV-blasted Atacama Desert—and scientists say the same could happen on Mars. Christopher Intagliata reports.
August 22, 2019
A program at the University of Illinois trains indigenous scientists in genomics—in hopes that future work will be aimed at benefiting those communities. Christine Herman reports.
August 20, 2019
U.S. Military Academy cadets wear the colors black, gray and gold for reasons found in gunpowder's chemistry.
August 14, 2019
Scientists found an interstellar iron isotope in Antarctic snow samples—which hints that our region of the universe may be the remnant of an ancient exploding star. Christopher Intagliata reports.
August 13, 2019
Some people go on dates just to score a free meal—a phenomenon known as a “foodie call.” But it takes a certain personality type. Karen Hopkin reports.
August 12, 2019
Researchers trained machine-learning algorithms to read Amazon reviews for hints that a food product would be recalled by the FDA. Christopher Intagliata reports.
August 9, 2019
Slight changes around the eyes are indeed a giveaway as to whether a smile is sincere or faked.
August 8, 2019
Researchers slowed the approach of greedy gulls by an average of 21 seconds by staring at the birds versus looking elsewhere. Christopher Intagliata reports.
August 8, 2019
Honest, involuntary laughter cued people to laugh more at some really bad jokes than they did when hearing forced laughter.
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