Dino Devastator Also Ravaged Veggies @sciam podcast by...09/19/14
After the Chicxulub meteorite, more than half the plant species in temperate North America perished along with the dinosaurs, and the composition of post-impact vegetation changed markedly. Christopher Intagliata reports.
Genius Grant To Science Historian
New MacArthur Fellow Pamela Long studies the scientific revolution as a result of the interactions of academics and hands-on infrastructure engineers in the 15th and 16th centuries. Steve Mirsky reports.
Leopards Wolf Down Fido In India Ag Area
A study of leopard droppings in agricultural western India reveals that the cats primarily eat domestic animals, mostly dogs, but only a small amount of livestock. Steve Mirsky reports.
Bio-Spleen Sucks Pathogens And Toxins From Blood
The new device rids the blood of bacteria, fungi, viruses, and toxins, using nanoscale-sized magnetic beads. Cynthia Graber reports.
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.
Turtles Not Among the "Silent Majority" of Reptiles
Biologists have identified at least 11 different sounds in the turtle repertoirebut they still have no idea what they mean. Christopher Intagliata reports
Chimp Chatter Now Up For Eavesdropping
Researchers from the Netherlands have made available online a digitized catalog of more than ten hours worth of chimpanzee calls. Karen Hopkin reports.
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 altitudesa response that can be deadly for non-native mountaineers. Karen Hopkin reports.
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 forty-question clinical assessment. Erika Beras reports.
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
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
Stressed Women Burn Fewer Comfort Food Calories
Women who had reported feeling stressed or depressed in the day before eating a calorie-packed meal burned 104 fewer calories during the seven hours following the meal than women who felt more mellow. The study is in the journal Biological Psychiatry
Habitat Loss a Real Buzzkill for Invertebrates
The number of invertebrates has fallen by nearly half over the past 35 yearsthe same period of time in which the human population has doubled. Karen Hopkin reports
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
Finally, an Algorithm to Sort Your Beatles Albums
By analyzing the evolvingstructure of the Beatles music, the computer program was able to correctly placethe Fab Fours albums in chronological order. Karen Hopkin reports
Sack Sulfates To Preverse Sewers
Sulfates used in water treatment become sulfuric acid in our sewers, eating away at the concrete infrastructure. Cynthia Graber reports.
Bio-Battery Produces Power from Your Perspiration
Exercising in the future could make dirty clothes and some clean energy. Karen Hopkin reports
Lose Your Job? Good for the Rest of Us
Recession lowers mortality in the population overalleven as the out-of-work individuals risk of death rises. Karen Hopkin reports
Nose Knows What The Mind Tells It
When people with asthma think theyre smelling something noxious, their airwaysbecome inflamedeven when the odor is harmless. Karen Hopkin reports.
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.
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