Penicillins Reveal Additional Antibacterial Power12/19/14
Penicillin and its relatives have been in wide use since the 1940s, but researchers have only now discovered another way that it thwarts bacteria. Karen Hopkin reports.
Short-Term Fasting Made Mice Healthier
Mice that ate their entire food for the day in an 8-to-12-hour window had better markers for health than did mice free to eat whenever they wanted. Steve Mirsky reports.
Laser Zap Determines Fruit Ripeness
The way fruit reflects and absorbs laser light may be a good measure of its progression toward peak ripeness. Christopher Intagliata reports.
Birds Roost On New Evolutionary Tree
In a massive first-of-its-kind whole-genome analysis involving 48 bird species, researchers have created a new avian evolutionary tree. Steve Mirsky reports.
Canary Out, Smartphone In For Gas Detection
By using tiny carbon nanotubes tuned electronically to particular gases, researchers turned smartphones into toxin sensors. Cynthia Graber reports.
Quarter-Million Tons of Plastic Plague Oceans
Based on trawling samples and visual observations of plastic debris, computer models calculate that some 5.25 trillion particles of plasticabout 269,000 tonsmay litter the world's oceans. Christopher Intagliata reports.
Dumpster Diving Provides Drinking Data
Researchers estimated alcohol consumption at a senior center by putting out recycling bins and counting the bottle contents. Karen Hopkin reports
Summer Teen Jobs Cut Violence
A study following teens who had summer jobs found violent crime in that population almost cut in half, during and following the employment. Cynthia Graber reports.
Poorer Kids May Be Too Respectful At School
Working-class kids ask for help from teachers less often and less agressively than do their middle-class counterparts
Big Apple's Insects Eat Streets Clean
Researchers working in New York City found that hungry urban arthropods help dispose of tons of edible trash. Allie Wilkinson reports.
Our 1930 Football Study Found Little Actual Action
The Wall Street Journal found in 2010 that an NFL game has just 11 minutes of actual action. Eight decades earlier, Scientific American found just about the same thing. Steve Mirsky reports.
Looking Back On 40 Years of Lucy
Paleoanthropologist Donald Johanson's first glimpse of Lucy came on November 24, 1974. Steve Mirsky reports.
Better Barley Let People Settle Tibetan Plateau
Importation of a frost-resistant barley from the Fertile Crescent to Tibet some 3,600 years ago is associated with the advent of settlements at 3,000 meters and more above sea level. Cynthia Graber reports.
Worse Than The Bite
A new study suggests bedbugs can transmit Chagas disease to micebut the same thing is unlikely to happen in humans. Christopher Intagliata reports.
Semen Protects HIV From Microbicide Attack
Microbicides that kill HIV in the lab often fail in clinical trials. A study finds that semen may be the culprit. Cynthia Graber reports.
Select Few Can Truly Drink To Their Health
Alcohol's supposed benefit to the heart may only be available to people with the right genes. Christopher Intagliata reports.
"We Are on the Comet!"
Some sounds from the Rosetta Mission team today after they succeeded in landing on Comet 67P/Churyumov-Gerasimenko. Steve Mirsky reports
Microbiome Studies Contaminated By Sequencing Supplies
Non-sterile lab reagents and DNA extraction kits add their own assortment of DNA to microbiome samples. Christopher Intagliata reports
Young Earth May Have Been All Wet @sciam podcast by @sciencejulia
Because the chemical signature of water on Earth matches the signature of water in an ancient group of asteroids called eucrites, it means that Earth might have had water much earlier than previously thought. Julia Rosen reports.
Chimps Hit Sack With Breakfast Plans
Chimps choose an overnight camp site based on the likelihood of finding calorically-rich food nearby. Karen Hopkin reports.
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