Spiders Gobble Gargantuan Numbers of Tiny Prey
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

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
The final holdout woolly mammoths had large numbers of harmful mutations—which would have given them satiny coats and a weakened sense of smell. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Climate change and overfishing have made the penguins’ feeding grounds a mirage—which has led to a drop in penguin population. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers found that Neandertal gene variants still affect the way genes are turned off and on in modern humans. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Doing large studies of marijuana's potential as medicine means getting it removed from an official federal list of substances with no official medical use—which requires more proof of its potential as medicine. Learn more about your ad choices. Visit megaphone.fm/adchoices
Red blood cells retain a memory of high-altitude exposure, allowing for faster acclimation next time. But that memory fades within four months. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Properly fermented foods deliver probiotics that could help cut disease risk, said a researcher at the annual meeting of the AAAS. Learn more about your ad choices. Visit megaphone.fm/adchoices
In urban Asian areas myopia among teenagers is topping 90 percent—but foresight may be able to bring those numbers way down. Learn more about your ad choices. Visit megaphone.fm/adchoices
Guppies exposed to predators tend to aggregate into smaller, more tightly knit groups, which may allow them to coordinate their predator avoidance strategies. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Astronauts’ gray matter is compressed by time in space—except in an area that controls feeling and movement in the legs. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers and administrators at the CDC dare not utter the words guns or firearms for fear of budget cuts from Congress, according to health policy researcher David Hemenway. Learn more about your ad choices. Visit megaphone.fm/adchoices
Critters living more than six miles below the ocean surface contain high levels of harmful compounds like PCBs and flame retardants. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers have developed a heat sensor that can detect temperature changes of just ten thousandths of a degree Celsius—comparable with the sensitivity of pit vipers. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices