Ancient Human DNA Found in Cave Dirt
Scientists uncovered genetic traces of Neandertals and Denisovans by screening cave dirt for DNA. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Scientists uncovered genetic traces of Neandertals and Denisovans by screening cave dirt for DNA. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Microbes living in the guts of fruit flies appear to influence the flies' food choice—and promote egg production, even under a nutrient-poor diet. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Evolutionary biologist Lee Dugatkin talks about the six-decade Siberian experiment with foxes that has revealed details about domestication in general. Learn more about your ad choices. Visit megaphone.fm/adchoices
Lisa Klein, from the materials science and engineering department at Rutgers University, commented on the March for Science at an April 21 talk to the chemistry department at Lehman College in the Bronx. Learn more about your ad choices. Visit megaphone.fm/adchoices
If people run more in New York City, that can push their socially connected counterparts in San Diego to run more as well. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Starting in the next century, atmospheric carbon levels could begin to approach those of hundreds of millions of years ago, and have their warming effect augmented by a brighter sun. Learn more about your ad choices. Visit megaphone.fm/adchoices
Trauma can be passed down to offspring due to epigenetic changes in DNA. But positive experiences seem able to correct that. Erika Beras reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Plant species in China's Hengduan Mountains exploded in diversity eight million years ago—right when the mountains were built. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers have trotted out data that show a combination of whipping and stomping forces is what causes laces to unravel without warning. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Michael J. Fox Foundation for Parkinson's Research CEO Todd Sherer, a neuroscientist, talks about the state of Parkinson's disease and research. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers have found the earliest evidence of bugs in the Cimex genus co-habitating with humans, in Oregon's Paisley Caves. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The storm that swept across the Rockies in September 2013 unleashed huge amounts of sediment downstream, doing the work of a century of erosion. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The low-end estimate for how much the world's spiders eat is some 400 million tons of mostly insects and springtails. Learn more about your ad choices. Visit megaphone.fm/adchoices
A study of house cats and shelter cats found that the felines actually tended to choose human company over treats or toys. Learn more about your ad choices. Visit megaphone.fm/adchoices
Astronomer Caleb Scharf weighs what ever more exoplanets mean in the search for extraterrestrial life. Learn more about your ad choices. Visit megaphone.fm/adchoices
Animal Planet's series The Zoo shows viewers the biological, veterinary and conservation science at a modern zoo. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers measured the intensity of the universe's ultraviolet background radiation, and say it may be strong enough to strip small galaxies of star-forming gas. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Japanese macaques at the receiving end of aggression tend to then take it out on a close associate or family member of the original aggressor. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers used ancient climate cycles to confirm the solar system’s chaotic planetary orbits. An Earth–Mars collision is one distant outcome. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Mice that lost weight and then gained back more than they lost maintained an obesity-type microbiome that affected biochemicals involved in either burning or adding fat--suggesting interventions. Learn more about your ad choices. Visit megaphone.fm/adchoices
A meta-analysis found that being of low socioeconomic status was associated with almost as many years of lost life as was a sedentary lifestyle. Learn more about your ad choices. Visit megaphone.fm/adchoices
In fewer than a dozen generations bumblebee-pollinated plants were coaxed to develop traits that made them even more pleasing to the bees. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
For every two species lost in a grassland, the remaining flowers there bloomed a day earlier—on par with changes due to rising global temperatures. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Exposure to specific microbes when an infant is less than a year old seems to have a protective effect against the child's eventual acquisition of asthma. Learn more about your ad choices. Visit megaphone.fm/adchoices
Astrophysicists propose that mysterious "fast radio bursts" could, in very speculative theory, be produced by an antenna twice the size of Earth. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
If anything's alive on the ice-covered ocean world of Europa, a future NASA mission hopes to find it. Learn more about your ad choices. Visit megaphone.fm/adchoices
By sequencing DNA in Neandertal dental plaque, scientists were able to find out about their diets—and their good relations with modern humans. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
What appears to be accepted science in the courtroom may not be accepted science among scientists. Learn more about your ad choices. Visit megaphone.fm/adchoices
The gravitational waves found last year were short compared with the monster waves that could be turned up by what's called Pulsar Timing Arrays. Learn more about your ad choices. Visit megaphone.fm/adchoices
Atmospheric rivers can carry the same amount of water vapor as 15 to 20 Mississippi Rivers—and deliver punishing winds, too. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices