
Science Quickly
1,930 episodes — Page 24 of 39

Radar Scans Detail North Korean Nukes
Scientists have added radar info to seismic data, isotope measurements and optical imagery to study covert nuclear tests. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Hunting Rules Have Changed Mama Bear Care
Hunting regulations in Sweden prohibit killing brown bear mothers in company of cubs—causing mama bears to care for their young longer. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Jupiter and Venus Squeeze Earth's Orbit
Sediment records have confirmed that Jupiter and Venus change Earth's orbit from virtually circular to noticeably elliptical and back every 405,000 years. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Mars Lander Will Peer Inside the Red Planet
The InSight Mission will look at Mars's seismic activity and latent heat to find out more about how planets get made--and how humans might live there. Learn more about your ad choices. Visit megaphone.fm/adchoices

Plants Can Sense Animal Attack Coming
Tomato plants detected snail slime in soil near them and mounted preemptive defenses, even though they were not directly touched. Learn more about your ad choices. Visit megaphone.fm/adchoices

Archaeologist Makes a Case for Seafaring Neandertals
Ancient tools on Mediterranean islands could predate the appearance of modern humans—suggesting Neandertals took to the seas. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Africa: Future Worldwide Science Hub
Thierry Zomahoun, president of the African Institute for Mathematical Sciences, talks about the potential and needs of science on the continent. Learn more about your ad choices. Visit megaphone.fm/adchoices

Healthful Eating Requires Supermarket Smarts
Advice from an N.Y.U. food policy symposium: eating healthfully means you can't ever let down your guard when shopping. Learn more about your ad choices. Visit megaphone.fm/adchoices

Culture Shapes Kids' Views of Nature
In a study of children interacting with toy animals Native American kids and non-Native kids imagined the animals very differently. Learn more about your ad choices. Visit megaphone.fm/adchoices

Bad Audio Can Hurt a Scientist's Credibility
Listeners gave more credence to a scientist’s radio interview when the audio was good quality than they did to the same material when the audio was poor. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Bill Gates Announces a Universal Flu Vaccine Effort
Today in Boston, Gates announced a $12-million initiative to foster the development of a vaccine effective against all flu strains. Learn more about your ad choices. Visit megaphone.fm/adchoices

Drumming Beats Speech for Distant Communication
The Bora people in the northwestern Amazon use drums to send languagelike messages across long distances. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Bees Have a Goldilocks Lawn Mow Schedule
Lawns mowed every two weeks hosted more bees than lawns mowed every three weeks. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

If Singing's Tough, Try Whistling
A new study claims it's easier to accurately whistle a melody than to sing it. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Traffic Deaths Increase after 4:20 P.M. on 4/20
A look at a database of fatal traffic accidents found a 12 percent increase on the informal marijuana holiday 4/20 after 4:20 P.M. compared with nearby dates. Learn more about your ad choices. Visit megaphone.fm/adchoices

NYC Mice Are Packed with Pathogens
Mice trapped in New York City apartment buildings harbored disease-causing bacteria and antibiotic resistance genes. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Mine Social Media Posts to Predict Flu
Researchers used Twitter searches for nonflu words associated with behavior to predict flu outbreaks two weeks in advance. Learn more about your ad choices. Visit megaphone.fm/adchoices

Planting Milkweed for Monarchs? Make Sure It's Native
Non-native milkweed species planted in the southern U.S. could harm monarch butterflies as temperatures rise. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

The Internet Needs a Tune-Up
Princeton University's Jennifer Rexford talks about optimizing the internet for the uses it got drafted into performing. Learn more about your ad choices. Visit megaphone.fm/adchoices

Glacier Suddenly Goes Galloping
Researchers try to figure out why every 20 years a Pakistan glacier moves roughly 1,500 times faster. Learn more about your ad choices. Visit megaphone.fm/adchoices

Some Habitable Zone Exoplanets May Get X-Rayed Out
Red dwarfs are a popular place to hunt for small exoplanets in the habitable zone—but the stars' radiation bursts might fry chances for life as we know it. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Right Whales Seem to Think before They Speak
Rather than always making the same call in response to the same stimuli, North Atlantic right whales are capable of changing their vocalizations. Learn more about your ad choices. Visit megaphone.fm/adchoices

Old New England Underground May Be Spry after All
The U.S. Northeast may be more geologically active than was previously thought, according to a seismic sensor network. Learn more about your ad choices. Visit megaphone.fm/adchoices

Brain Scan Might Reveal Appetite for Risk
Volunteers willing to place riskier bets tended to sport larger amygdalas—a region associated with processing fear. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Neandertal Face Shape Was All Over the Air
The jutting midface of Neandertals seems to have evolved to help get large volumes of air into an active body that needed lots of oxygen. Learn more about your ad choices. Visit megaphone.fm/adchoices

Rev Up Photosynthesis to Boost Crop Yields
Photosynthesis actually is an inefficient process, but a biological chemist is trying to crank it up. Learn more about your ad choices. Visit megaphone.fm/adchoices

13,000-Year-Old Footprints under West Coast Beach
Several feet below a beach in British Columbia, archaeologists discovered soil trampled by human feet—the oldest footprints found so far in North America. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Math Cracks a Knuckle-Cracking Mystery
The source of knuckle cracking sounds is much debated—but new mathematical models may reconcile two opposing views. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Rotting Flesh Offers Insight on Fossilization
To learn more about decay and fossilization, researchers conduct unorthodox experiments—like dissecting decomposing animals in the lab. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Ravens Crow with Individual Flair
Ravens produce different types of calls depending on their age and sex—which might help ravens size up other individuals. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

U.S. Flu Spread Counts On Southern Cold Snaps
A multifactorial analysis finds that the ignition of a flu epidemic stems from a blast of colder weather striking an otherwise warm, humid, urban environment, and driving people indoors into close quarters. Learn more about your ad choices. Visit megaphone.fm/adchoices

Louise Slaughter Was Congress's Food Safety Champion
Upstate New York Congresswoman Louise Slaughter, who worked for decades on issues such as overuse of antibiotics in agriculture and food safety in general, died March 16 at the age of 88. Learn more about your ad choices. Visit megaphone.fm/adchoices

Arctic Heat Waves Linked to Snowpocalypse-Like Storms
An analysis of more than six decades of daily temperature and snowfall data linked warmer arctic temperatures to cold snaps at lower latitudes. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Gut Parasites Have Their Own Gut Microbiomes
The whipworm lives in the human gut, mooching microbes from its host to build its own microbiome. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Drones Could Help Biologists Tally Birds
Counting by drone not only saves time and effort, but yields better data on species numbers—a definite plus in terms of conservation. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Saliva Protein Might Inhibit Intestinal Anarchy
A protein found in spit prevents bad bugs from binding to intestinal cells in the lab, pointing to a possible way to lower the chances of dysentery. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Searching the Heavens for Mountains
Exoplanet hunters are moving beyond simply finding new planets into trying to know what they look like and whether there's surface or subsurface activity. Learn more about your ad choices. Visit megaphone.fm/adchoices

Human Echolocators Use Tricks Similar to Bats
People who use echolocating mouth clicks to compensate for low vision increase the number and intensity of clicks when objects are harder to detect. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Animal Coloration Can Serve Double Duty
The cinnabar moth caterpillar's coloration pattern warns predators close up, but camouflages the critter from a distance. Learn more about your ad choices. Visit megaphone.fm/adchoices

Some Lichen Fungi Let Genes Go Bye
A study of 22 different types of lichens revealed 10 included fungi that had lost a gene for energy production, making them completely dependent on their algal partner. Learn more about your ad choices. Visit megaphone.fm/adchoices

To See Gun Injury Drop, Hold an NRA Meeting
When the National Rifle Association holds its national convention, gun injuries drop 20 percent—perhaps because fewer gun owners are around their guns. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Big Cities Have Fewer Tweeters Per Capita
But those who do tweet in big cities are more prolific—tweeting more often, on average, than their small-town counterparts. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

How Baby Birds Learn to Duet
Recordings of songbird duets reveal baby birds learn conversational turn-taking like we do: gradually, and from adults. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Mosquitoes Learn the Smell of Danger
The bloodsuckers lose their appetite for attractive scents when they associate those aromas with a likelihood of being swatted. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Needed: Info on Biodiversity Change over Time
Understanding an ecosystem means following changes in the abundances and identities of the species present as the clock ticks. The BioTIME database should help. Learn more about your ad choices. Visit megaphone.fm/adchoices

Undersea Recordings Reveal a Whale's Tale
By eavesdropping on the calls of blue whales, researchers hope to get a more accurate picture of the massive mammals' distribution and abundance. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Seabird Feathers Reveal Less-Resilient Ocean
By analyzing 130 years of seabird feathers, researchers determined that food webs are losing complexity in the Pacific—meaning less-resilient ecosystems. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Beetle Liberation Due to Regurgitation
The bombardier beetle can spray its hot brew of toxic chemicals even after bring swallowed, to force a predator into vomiting it back out. Learn more about your ad choices. Visit megaphone.fm/adchoices

Old Trees Are Ecosystem Gold
David Lindenmayer of the Australian National University College of Science in Canberra says that older trees play outsize roles in maintaining landscapes and ecosystems. Learn more about your ad choices. Visit megaphone.fm/adchoices

Boat Noise Means Fish Can't Learn Their Lessons
Damselfish had trouble learning to avoid predators, when that lesson was accompanied by a soundtrack of buzzing boat engines. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices