Solar Eclipse in 1097 May Be Rock-Carving Subject
A petroglyph spotted in Chaco Canyon may depict a total solar eclipse witnessed by the Pueblo people. Learn more about your ad choices. Visit megaphone.fm/adchoices

A petroglyph spotted in Chaco Canyon may depict a total solar eclipse witnessed by the Pueblo people. Learn more about your ad choices. Visit megaphone.fm/adchoices
Why you should think twice before you give an app access to your phone’s address book. Learn more about your ad choices. Visit megaphone.fm/adchoices
A new device promises to tell police when a driver has been sending messages while behind the wheel, but is it legal? Larry Greenemeier reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Sea ice is drifting faster in the Arctic—which means polar bears need to walk farther to stay in their native range. Emily Schwing reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Western fence lizards are more spooked by red and gray shirts than they are by blue ones—perhaps because the males have blue bellies themselves. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Celebrity Twitter accounts look a lot like Twitter bots: They tweet regularly, follow relatively few people, and upload a lot of content. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
An epic bout of cold weather quickly altered a population of lizards—an example of natural selection in action. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Italians who stuck closely to the heart-healthy diet had fewer heart attacks and strokes—but only if they were well-off and/or college educated. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Humans appear well equipped to recognize the alarm calls of other animals—perhaps because sounds of distress tend to have higher frequencies. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The North American walnut sphinx caterpillar produces a whistle that sounds just like a songbird's alarm call--and the whistle seems to startle birds. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Volunteers who used money to save themselves time were more content than volunteers who purchased themselves physical stuff. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Exposure to existing antibiotics can imbue infectious bacteria with resistance that also kicks in against new drugs related to the originals. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers in the U.K. trained computers to rate photos of parks and cities for what humans consider to be their scenic beauty. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Forensic entomologists can chemically analyze fly eggs from a corpse, which might speed up detective work. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Century-old records found in Puerto Rico helped reconstruct the damage caused there by a magnitude 7.3 earthquake—and could help disaster experts plan for the next big one. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
An experimental cell phone works by absorbing and reflecting radio waves—meaning it's incredibly energy efficient and needs no battery. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
In patients with severe eczema, Staphylococcus aureus strains dominated the skin microbe population—suggesting that certain types of bacteria could worsen eczema flares. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Whether lightning rods should have rounded or pointy ends became a point of contention between rebellious Americans and King George III. Learn more about your ad choices. Visit megaphone.fm/adchoices
Economists calculate that each degree Celsius of warming will dock the U.S. economy by 1.2 percent--and increase the divide between rich and poor. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Quantum bits, aka qubits, can simultaneously encode 0 and 1. But multicolored photons could enable even more states to exist at the same time, ramping up computing power. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers designed an antireflective coating for smartphone screens, with inspiration from the bumpy eyes of moths. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The better study participants scored in the memory test, the faster they got bored. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
DNA analysis of skeletons found in the Pacific Northwest backs up traditional oral histories, and suggests there could have been more than one colonization of the Americas. Emily Schwing reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
A team of physicists has revealed why rolling suitcases start rocking from wheel to wheel—and how to avoid that frustrating phenomenon. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Ecologists say wolves should be allowed to roam beyond remote wilderness areas—and that by scaring off smaller predators like coyotes and jackals, wolves might do a good service, too. Emily Schwing reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers built silver–zinc batteries that can bend and stretch—meaning they could be more elegantly integrated into future wearable devices. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
As polar bears are forced onto land, they're feeding on animals with less mercury—reducing their levels of the toxic pollutant. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Only a third of travelers could correctly identify a bed bug—suggesting that some bug sightings in online reviews could be cases of mistaken identity. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The "other victims" of the opioid epidemic are pain patients who need the drugs but cannot now get them because of fears related to their use Learn more about your ad choices. Visit megaphone.fm/adchoices
Mosquitoes infected with Wolbachia bacteria are unable to transmit viruses to humans—and could curb the spread of viral disease. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices