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Science Quickly

Scientific Americanwww.sciencequickly.com
Host Rachel Feltman, alongside leading science and tech journalists, dives into the rich world of scientific discovery in this bite-size science variety show.
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Episodes

Synthetic Fabrics Host More Stench-Producing Bacteria

Micrococcus bacteria thrive on the open-air lattice of synthetic fibers—where they sit chomping on the fatty acids in our sweat, turning them into shorter, stinkier molecules. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Sep 05, 20143 min

Turtles Not Among the "Silent Majority" of Reptiles

Biologists have identified at least 11 different sounds in the turtle repertoire—but they still have no idea what they mean. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Sep 04, 20143 min

Chimp Chatter Now up for Eavesdropping

Researchers from the Netherlands have made available online a digitized catalogue of more than 10 hours’ worth of chimpanzee calls. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Sep 03, 20143 min

Most Tibetans Genetically Adapted to the High Life

Ninety percent of Tibetans share a genetic mutation that prevents their blood from becoming dangerously clogged with red blood cells at high altitudes—a response that can be deadly for non-native mountaineers. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Sep 02, 20143 min

Narcissists Self-Involved Enough to Recognize Their Narcissism

The simple question “To what extent do you agree with this statement: I am a narcissist” is about as good at identifying narcissists as a 40-question clinical assessment. Erika Beras reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Sep 01, 20143 min

How Asteroid 1950 DA Keeps It Together

The kilometer-size rubble pile appears to be held together by van der Waals forces. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 29, 20143 min

Pump Up the Bass—and Maybe Your Confidence

Study volunteers who had listened to bass-heavy music were more likely to act dominant or aggressive in games and debates. Erika Beras reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 28, 20143 min

Stressed Women Burn Fewer Comfort Food Calories

Women who reported feeling stressed or depressed burned fewer calories after a calorie-packed meal than mellow women. Erika Beras reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 27, 20143 min

Habitat Loss a Real Buzzkill for Invertebrates

The number of invertebrates has fallen by nearly half over the past 35 years—the same period of time in which the human population has doubled. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 26, 20143 min

Soccer Goalies Ignore Basic Rule of Probability

When penalty shots repeatedly head in one direction, world-class goalkeepers are more likely to lunge the other way. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 25, 20143 min

Finally, an Algorithm to Sort Your Beatles Albums

By analyzing the evolving structure of the Beatles’ music, the computer program was able to correctly place the Fab Four’s albums in chronological order. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 22, 20143 min

Sack Sulfates to Preserve Sewers

Sulfates used in water treatment become sulfuric acid in our sewers, eating away at the concrete infrastructure. Cynthia Graber reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 21, 20143 min

Lose Your Job? Good for the Rest of Us

Recession lowers mortality in the population overall—even as the out-of-work individual’s risk of death rises. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 19, 20143 min

Nose Knows What the Mind Tells It

When people with asthma think they’re smelling something noxious, their airways become inflamed—even when the odor is harmless. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 18, 20143 min

Tiny Toe Tools Ensure Gecko Traction

To activate or loosen their grip on a surface, geckos extend and angle or retract tiny toe hairs that create contact points. Clara Moskowitz reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 15, 20143 min

Guys Prefer Electric Shocks to Boredom

Guys would rather zap themselves with electricity than be left alone with their thoughts for 15 minutes. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 13, 20143 min

Google Searches Linked to Stock Market Moves

When Web searches related to business and politics go up, the market tends to take a dive—although that connection may already be fading. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 12, 20143 min

Andromeda Snickers at Milky Way Mass

A new estimate finds that the Milky Way, once thought to be twice as massive as Andromeda, may actually only have half our neighbor galaxy's mass. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 06, 20143 min

Spider's Scat Disguise May Be Its Salvation

Masquerading as a bird turd appears to protect certain arachnids from getting eaten by wasps. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 05, 20143 min

System Converts Solar Efficiently to Steam

A graphite disk resting on carbon foam collects sunlight to heat water directly to steam with 85 percent efficiency. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 04, 20143 min

Environment Has Beef with Beef

Raising beef uses 28 times more land, 11 times more water and six times more fertilizer than the average expenditures for other livestock. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 01, 20143 min

Pack Rats Expand Diet with New Gut Bacteria

Pack rats given the right gut bacteria via a fecal transplant from other pack rats can then digest foods that they formerly could not, but the donors could. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 31, 20143 min

Colorful Birds Can Also Belt Tunes

A survey of the tanagers reveals that birds do not have to choose between colorful plumage and a melodious song. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 30, 20143 min

Roach Reactions to Venom Point to Targeted Pesticides

Small changes in the protein sequence of sodium channels of American compared with German cockroaches leave the latter susceptible to a venom that has little effect on the former. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 29, 20143 min

Ocean Plastic Particles Could Get in Gills

Sea creatures eat plastic dumped in the ocean, but they also might be accumulating plastic by sucking up tiny particles with their siphons and gills. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 28, 20143 min

Salmonella's Favorite Food Could Be Its Achilles' Heel

Salmonella's primary fuel source is the molecule fructose-asparagine. Starving it of that fuel in an infected person could kill it without harming beneficial gut bacteria. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 23, 20143 min

Education Level Linked to Nearsightedness

In a German study, half of those with a university degree were myopic compared with less than a quarter of folks who quit after high school or secondary school. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 21, 20143 min

Give Us This Day the Bread Wheat Genome

A preliminary map of the bread wheat genome includes the locations of more than 75,000 genes. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 17, 20143 min

Supercooled Organs Could Stretch Time to Transplant

Liver transplant time from human donor to patient is limited to 12 hours, but rats that got livers specially stored for three days were going strong three months later. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 09, 20142 min
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