A gigantic fish from the Amazon has incredibly tough scales—and materials scientists are looking to them for bulletproof inspiration. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The Saharan silver ant feeds on other insects that have died on the hot sands, which it traverses at breakneck (for an ant) speeds. Learn more about your ad choices. Visit megaphone.fm/adchoices
Synthetic repellents such as DEET seem to mask the scent of our “human perfume”—making us less obvious targets for mosquitoes. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The resonant properties of your skull can amplify some frequencies and dampen others—and, in some cases, affect your hearing. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The Dsup protein protects DNA under conditions that create caustic free radical chemicals. Learn more about your ad choices. Visit megaphone.fm/adchoices
Rumblings on the Red Planet act like x-rays, allowing scientists to probe the hidden interior of Mars. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Algorithms are already used to remove online hate speech. Now scientists have taught an AI to respond—which they hope might spark more discourse. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The 2019 Nobel Prize in Chemistry goes to John Goodenough, M. Stanley Whittingham and Akira Yoshino “for the development of lithium-ion batteries.” Learn more about your ad choices. Visit megaphone.fm/adchoices
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.” Learn more about your ad choices. Visit megaphone.fm/adchoices
The 2019 Nobel Prize in Physiology or Medicine goes to William G. Kaelin, Jr., 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. Learn more about your ad choices. Visit megaphone.fm/adchoices
DNA from the teeth of medieval plague victims indicates the pathogen likely first arrived in eastern Europe before spreading across the continent. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
Tiny insects called treehoppers produce very different mating songs at higher versus lower temperatures, but the intended recipient still finds the changed songs attractive. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
The brains of those who are blind repurpose the vision regions for adaptive hearing, and they appear to do so in a consistent way. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
BBC and Netflix nature documentaries consistently shy away from showing viewers the true extent to which we’ve damaged the planet. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
A slight temperature difference at night between a surface losing heat and the surrounding air can be harnessed to generate electricity to power lights. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
Microplastic particles are everywhere, but in freshwater systems, 60 percent of particles are clothing lint from laundry. Learn more about your ad choices. Visit megaphone.fm/adchoices
A study finds no deleterious effects on mental health when kids spend their leisure time texting and engaging in other online activities. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
At the Kermadec Islands, humpbacks from all over the South Pacific converge and swap songs. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Better food labeling could prevent people from throwing away a lot of “expired” food that’s still perfectly edible. Learn more about your ad choices. Visit megaphone.fm/adchoices
The conditions of sunlight, temperature, humidity and wind that make cropland good for agriculture also maximize solar panel efficiency. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
Wild animals that live near humans have higher cholesterol than their rural counterparts—and our food could be to blame. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
