Ants Use Celestial Cues to Travel in Reverse
The six-legged savants appear to use celestial cues and three forms of memory, as they blaze a trail back to the nest. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

The six-legged savants appear to use celestial cues and three forms of memory, as they blaze a trail back to the nest. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
A study examines the effects of a high-sugar diet on the life spans of fruit flies. Another studies how the flies’ appetite-suppressing pathways may be similar to ours. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
A common pesticide additive, known as an "inert" ingredient, could be one of the causes of the die-offs beekeepers have observed in their hives. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Chemists have synthesized the most complex molecular knot ever, using a strand just 192 atoms long. The advance could lead to new tougher materials. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Using algorithms developed for human speech recognition, researchers decoded which bats in an experimental colony were arguing with each other, and what they were arguing about. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Some predators are attracted to the food in bird feeders, and end up targeting nestlings, too. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Competition between older female orcas and their adult daughters when they can breed simultaneously may cause the matriarch to enter menopause. Learn more about your ad choices. Visit megaphone.fm/adchoices
Researchers think Mars may have experienced a series of climate cycles, which etched the planet’s surface with river valleys and lake basins. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Hair follicles appear to be key in reprogramming other cells in the wound, restoring the original skin architecture, instead of simply scarring. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
By optimizing the imperfections in concrete, manufacturers could make the material tougher and stronger—allowing builders to use less of it. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Zika virus infection during pregnancy appears to cause a range of birth defects, such as joint, eye and ear abnormalities, in addition to microcephaly. Learn more about your ad choices. Visit megaphone.fm/adchoices
What you ate in the past can shape the diversity of your gut flora, and affect how well your gut microbes respond to new foods. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
If a weak piglet positions itself next to a strong sibling while feeding, it may get some extra nutrition from inadvertently stimulated mammary glands. Learn more about your ad choices. Visit megaphone.fm/adchoices
Areas of the country that have experienced record low temperatures since 2005 happen to be home to many global warming deniers. And researchers theorize there may be a connection. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
In areas where the white-nose syndrome fungus has been around for awhile, little brown bats seem to have found a way to limit the disease damage. Learn more about your ad choices. Visit megaphone.fm/adchoices
The microbial ecosystems inhabiting corpses could help forensic scientists determine a person’s time of death, even after almost two months. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Areas of the brain related to social cognition shrink in first-time mothers—a structural change that could boost maternal attachment. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
In an anonymous online survey, about 4 percent of surveyed pilots admitted to having suicidal thoughts within the last few weeks. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Night-flying migratory birds over water turn back to lakeshores at daybreak—meaning crowded shores along the water. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Infants carrying genes that put them at increased risk for asthma had a 27 percent decrease in developing respiratory symptoms while being breast-fed. Erika Beras reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Sixty-two percent of survey respondents said self-driving cars would not make them more productive. Another 36 percent said they’d be too concerned to do anything but watch the road. Erika Beras reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The substance prevents mosquitoes taking a blood meal from producing waste—causing them to swell up, and sometimes even explode. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Flu forecasts within large metro areas like New York City might be improved by adding in data about the flow of commuters. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Understanding the physics of how a liquid splashes when it hits a surface is allowing researchers to design new surfaces that limit splashing Learn more about your ad choices. Visit megaphone.fm/adchoices
A dog’s sniff pulls a plume of fresh scents toward them, which fluid dynamicists say is a technique that could make for better bomb detectors. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
A 2010 study claimed that striking certain poses could alter hormone levels and risk-taking behavior. But subsequent studies can’t replicate that finding. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
India's Project Wild Seve allows people who have suffered crop or livestock loss from wild animals to streamline the compensation process, thus helping both farmers and wildlife. Learn more about your ad choices. Visit megaphone.fm/adchoices
David Biello's new book is The Unnatural World: The Race to Remake Civilization in Earth’s Newest Age . Learn more about your ad choices. Visit megaphone.fm/adchoices
A low-fiber diet causes fiber-eating microbes to dwindle, opening up real estate for mucus munchers that make the intestine more vulnerable to infection. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The loss of forests worldwide appears to interact synergistically to produce unpredictable effects on the global climate. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices