Chipmunklike animals that lived among the dinosaurs appear to have been social creatures, which suggests that sociality arose in mammals earlier than scientists thought. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Here are some brief reports about science and technology from around the world, including one, from the dormant volcano Llullaillaco in Chile, about a mouse that is the highest-dwelling mammal ever documented. Learn more about your ad choices. Visit megaphone.fm/adchoices
COVID might be fought efficiently with fewer shutdowns by restricting activities only in a particular area with a population up to 200,000 when its case rate rises above a chosen threshold. Learn more about your ad choices. Visit megaphone.fm/adchoices
Horseflies misjudge landings on zebra patterns, compared with solid gray or black surfaces, which provides evidence for why evolution came up with the black-and-white pattern. Learn more about your ad choices. Visit megaphone.fm/adchoices
Need a break from politics and the pandemic? You’re probably not in the Amazon rain forest right now, but we can take you there in audio. Today, in part three of our three-part audio sound escape, we ascend into the trees where howler monkeys and crimson-crested woodpeckers rule the airwaves. Learn more about your ad choices. Visit megaphone.fm/adchoices
Need a break from politics and the pandemic? You’re probably not in the Amazon rain forest right now, but we can take you there in audio. Today, in part two of our three-part audio sound escape, we descend into a nighttime flood of frog music. Learn more about your ad choices. Visit megaphone.fm/adchoices
Need a break from politics and the pandemic? You’re probably not in the Amazon rain forest right now, but we can take you there in audio. Today, in part one of our three-part audio sound escape, we listen to dolphins hunting among the trees. Learn more about your ad choices. Visit megaphone.fm/adchoices
The concave-eared torrent frog's unusual ear anatomy lets it hear high-frequency calls, which gives a mating advantage to the littler males that sing soprano. Learn more about your ad choices. Visit megaphone.fm/adchoices
Here are some brief reports about science and technology from all over, including one from the United Arab Emirates about the the first interplanetary mission by an Arab country. Learn more about your ad choices. Visit megaphone.fm/adchoices
We wrap up our preelection series with Scientific American senior editor Jen Schwartz, who talks about the possible effects of the election results on technology development and use. Learn more about your ad choices. Visit megaphone.fm/adchoices
Scientific American senior editor Mark Fischetti and associate editor Andrea Thompson talk about this election and the future of U.S. energy research and policy. Learn more about your ad choices. Visit megaphone.fm/adchoices
Scientific American senior editor Mark Fischetti talks about how this election will affect environmental science and policy. Learn more about your ad choices. Visit megaphone.fm/adchoices
Scientific American ’s associate editor for sustainability Andrea Thompson talks about how climate science and policy will be affected by this election. Learn more about your ad choices. Visit megaphone.fm/adchoices
Scientific American ’s senior medicine editor Josh Fischman talks about issues in medicine and public health that will be affected by this election. Learn more about your ad choices. Visit megaphone.fm/adchoices
Scientific American ’s editor in chief sets up this week’s series of podcasts about how this election could affect science, technology and medicine. Learn more about your ad choices. Visit megaphone.fm/adchoices
Many of the statues not along the coast are in places that featured a resource vital to the communities that lived and worked there. Learn more about your ad choices. Visit megaphone.fm/adchoices
More than 40 of the birds, in coalitions of three or four, may fight for days over oak trees in which to store their acorns. Learn more about your ad choices. Visit megaphone.fm/adchoices
The volatile compounds released by microbial communities on cheese rinds shape and shift a cheese’s microbiome. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The mass-extinction asteroid happened to strike an area where the rock contained a lot of organic matter and sent soot into the stratosphere, where it could block sunlight for years. Learn more about your ad choices. Visit megaphone.fm/adchoices
Planners returned water to the dry bed of Arizona’s Santa Cruz River in 2019, and various species began showing up on the same day. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers say three ancient leather balls, dug up from the tombs of horsemen in northwestern China, are the oldest such specimens from Europe or Asia. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
From mammals to mollusks, animals living among humans lose their antipredator behaviors. Learn more about your ad choices. Visit megaphone.fm/adchoices
The ancestors of today’s dogs already exhibited some playfulness, which became a key trait during domestication. Learn more about your ad choices. Visit megaphone.fm/adchoices
A stretch of Neandertal DNA has been associated with some cases of severe COVID-19, but it’s unclear how much of a risk it poses. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
New Nobel laureate in chemistry Jennifer Doudna talks about various applications of the gene-editing tool CRISPR. Learn more about your ad choices. Visit megaphone.fm/adchoices
Blue whales off California’s coast sing at night—until it’s time to start migrating, and they switch to daytime song. Learn more about your ad choices. Visit megaphone.fm/adchoices
Charles Rice, who today shared the Nobel Prize in Physiology or Medicine for the discovery of the hepatitis C virus, talked about how rapidly research now occurs, compared with his early work. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers determined that Greenland is on track to lose more ice this century than during any of the previous 120 centuries. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The disappearance of their predators in a disturbed ecosystem has turned Atlantic forest sloths from night creatures to day adventurers. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers seeking evidence for cancer in dinosaurs found it in a collection of bones at a paleontology museum in Alberta. Learn more about your ad choices. Visit megaphone.fm/adchoices
