60-Second Science Podcast
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Leading science journalists provide a daily minute of commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American.
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Cricket Fossil Reveals Ancient Song
Author: Scientific American
Mon, Feb 13, 2012
Based on the remains of a long-extinct bushcricket, researchers have reconstructed its call. Sophie Bushwick reports.
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Deep Sea Is Alive with Sound
Author: Scientific American
Fri, Feb 10, 2012
Scientists share the first-ever recordings of deep-sea species. Sarah Fecht reports
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Zebra Stripes Clash with Insect Interest
Author: Scientific American
Thu, Feb 9, 2012
Biting insects prefer a plain brown hide to the zebra's stripes, implying that the stripes are an anti-insect adaptation. Cynthia Graber reports
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Champagne Glass Shape Affects Gas Level
Author: Scientific American
Wed, Feb 8, 2012
When gas bubbles out of champagne, a higher concentration of carbon dioxide collects in a slim flute versus a wide coupe. Sophie Bushwick reports
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Visual Cues Encourage Vegetable Consumption
Author: Scientific American
Tue, Feb 7, 2012
Pictures of green beans and carrots on cafeteria trays resulted in more kids eating more veggies. Cynthia Graber reports
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Close Super Bowl Boosts Ad at End
Author: Scientific American
Fri, Feb 3, 2012
An ad right after a suspenseful game made a bigger impression on viewers than ads during the game. Christopher Intagliata reports
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Signs Boost Stair Climbing
Author: Scientific American
Thu, Feb 2, 2012
Putting up signs can increase stair use versus elevator riding by more than 40 percent. Cynthia Graber reports
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Scorpion Armor Inspires Sand-Resistant Surfaces
Author: Scientific American
Wed, Feb 1, 2012
Textured surfaces based on the patterns found on scorpion exoskeletons could help equipment avoid erosion damage. Sophie Bushwick reports
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Spider Parting Gift Makes Him Sterile Father
Author: Scientific American
Tue, Jan 31, 2012
Male orb web spiders will detach their sex organs and leave them in the female to become a father without becoming dinner. Katherine Harmon reports
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Have Your Cake and Eat Its Package
Author: Scientific American
Mon, Jan 30, 2012
Materials scientists are developing edible packaging for processed foods. Cynthia Graber reports
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Micro-Bubbles Cut Cost of Algae-Derived Biofuel
Author: Scientific American
Fri, Jan 27, 2012
Tiny bubbles float algae to the water's surface for harvest and processing. Sophie Bushwick reports
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Bosses Who Work Out Are Nicer
Author: Scientific American
Thu, Jan 26, 2012
Employees rated supervisors who worked out as less abusive than their sedentary counterparts. Christopher Intagliata reports
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People in Power Feel Taller
Author: Scientific American
Wed, Jan 25, 2012
A person in a position of power will overestimate their height. Cynthia Graber reports
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Dark-Dwelling Fish Converge on Blindness
Author: Scientific American
Tue, Jan 24, 2012
DNA analysis revealed that 11 populations of blind cave fish did not all descend from a single blind ancestor, but had five separate evolutionary origins. Sophie Bushwick reports
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Worm Turns Alcohol into Longevity
Author: Scientific American
Mon, Jan 23, 2012
A very dilute alcohol solution doubles the life span of the ubiquitous lab organism C. elegans. Christopher Intagliata reports
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Schoolkids Name Moon Orbiters
Author: Scientific American
Fri, Jan 20, 2012
GRAIL A and B, the Gravity Recovery and Interior Laboratory lunar moon satellites, are now Ebb and Flow, courtesy of Montana students. Cynthia Graber reports
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Where You Vote May Affect How You Vote
Author: Scientific American
Thu, Jan 19, 2012
Subjects randomly surveyed within view of a church gave more conservative responses than those surveyed within view of a secular school. Katherine Harmon reports
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Boa Constrictors Listen to Loosen
Author: Scientific American
Wed, Jan 18, 2012
Boa constrictors kept tightening their grips on dead rats with faked heartbeats for 20 minutes, but let go when the pulse stopped. Christopher Intagliata reports
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1,300-Year-Old Flask Holds Mayan Tobacco Remains
Author: Scientific American
Tue, Jan 17, 2012
A chemical analysis found evidence of nicotine in a Mayan flask dating back to A.D. 700. Sophie Bushwick reports
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Tiny Frog Makes Big Claim
Author: Scientific American
Fri, Jan 13, 2012
Researchers say a newly discovered species is the world's smallest frog--and more. Cynthia Graber reports
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Underground Nukes Leave Traceable Uplift
Author: Scientific American
Thu, Jan 12, 2012
Surface rock above a nuclear test will expand enough to be trackable by radar satellites. Christopher Intagliata reports
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Salt Boosts Blood Pressure, but via Adrenalin
Author: Scientific American
Wed, Jan 11, 2012
Rather than increase fluid volume, salt's real role in high blood pressure may be to induce the nervous system to produce excess adrenalin. Steve Mirsky reports
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Female Trailblazer Inspires New Species Name
Author: Scientific American
Tue, Jan 10, 2012
Jeanne Baret disguised herself as a man to do botanical fieldwork in the 18th century. She has has been honored with a namesake species. Cynthia Graber reports
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Social Media Tracks Disease Spread
Author: Scientific American
Mon, Jan 9, 2012
Analysis of social media and Internet news reports can enable researchers to track a disease outbreak faster than conventional medical notifications. Cynthia Graber reports
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Dogs Gauge Intention by Human Communication Style
Author: Scientific American
Thu, Jan 5, 2012
Dogs are similar to babies in their ability to discern an intent by a human to communicate meaningful information. Rose Eveleth reports
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Stradivarius Fails Sound Test versus Newbie Violins
Author: Scientific American
Wed, Jan 4, 2012
Experienced violinists were unable to tell the difference between rare, old instruments and new ones. Sophie Bushwick reports
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Microbes Make Some People Smell Delicious to Mosquitoes
Author: Scientific American
Tue, Jan 3, 2012
Mosquitoes prefer the smell of skin with more abundant--but less diverse--bacterial communities. Sophie Bushwick reports
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Another Ellipse around the Sun
Author: Scientific American
Mon, Jan 2, 2012
The last year took you far--hundreds of millions of miles, in fact. Steve Mirsky reports
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Solar Paint Converts Light to Electricity
Author: Scientific American
Fri, Dec 30, 2011
A paint containing titanium dioxide and semiconducting cadmium nanocrystals can convert sunlight to electricity. Christopher Intagliata reports
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Silky Micro-Needles Could Make Shots Pain-Free
Author: Scientific American
Thu, Dec 29, 2011
Researchers have created a potentially pain-free drug delivery system that uses an array of micro-needles made of silk protein to get under the skin. Sophie Bushwick reports
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Is the Shift-Worker Diet an Occupational Hazard?
Author: Scientific American
Wed, Dec 28, 2011
An editorial in PLoS Medicine makes the case for considering the poor eating habits of shift workers, and the associated health risk, as a legally defined occupational hazard. Sophie Bushwick reports
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Deep Frog Voice Signals His Chromosome Number
Author: Scientific American
Tue, Dec 27, 2011
Two related frog species differ by chromosome number, which deepened one species's calls and tells the females who's who. Steve Mirsky reports
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Perceived Gift Values Get Averaged, Not Added
Author: Scientific American
Fri, Dec 23, 2011
Adding a small, additional gift can, counterintuitively, detract from, rather than add to, the perceived value of a first, big gift. Cynthia Graber reports
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Pigeons Can Follow Abstract Number-Counting Rules
Author: Scientific American
Thu, Dec 22, 2011
Trained pigeons demonstrate an ability to use abstract number-counting rules on par with primates and to recognize which groups of items contain more of those items. Sophie Bushwick reports
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It's Plain the Rain Ups Chili Peppers' Pain
Author: Scientific American
Wed, Dec 21, 2011
Chili peppers in wet areas are spicier than their dry counterparts, due to higher capsaicin levels needed to fight seed-attacking fungi. Christopher Intagliata reports
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Insect Cuticle Inspires New Material
Author: Scientific American
Tue, Dec 20, 2011
Researchers created a tough, light, flexible material, called shrilk, based on the proteins and structure of the surface covering of insects. Cynthia Graber reports
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DNA in a Cup of Water Reveals Lake Denizens
Author: Scientific American
Mon, Dec 19, 2011
Freshwater habitat dwellers can be detected and quantified based on DNA obtained directly from small water samples. Sophie Bushwick reports
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Mosquitos Use Drop of Blood to Keep Cool
Author: Scientific American
Thu, Dec 15, 2011
When sucking down hot blood, a mosquito exudes a small bead of the meal for evaporative cooling. Karen Hopkin reports
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Some Terrestrial Exoplanets May Be Half Diamond
Author: Scientific American
Wed, Dec 14, 2011
When rocky planets form that have more carbon than does Earth, vast quantities of diamond may be a natural result. Karen Hopkin reports
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Body Hair Senses Parasites While Slowing Their Blood Quest
Author: Scientific American
Tue, Dec 13, 2011
Volunteers detected bedbugs more quickly on unshaven versus shaved arms. And the bugs took longer to find a feeding spot in the forest of hair. Christopher Intagliata reports
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U.S. Teen Births Hit Record Low
Author: Scientific American
Mon, Dec 12, 2011
2010 saw the lowest birth rate among teen girls since records started being kept 70 years ago. Cynthia Graber reports
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Durban Deal May Bring Climate Change Action into 21st Century
Author: Scientific American
Sun, Dec 11, 2011
As time ran out on the latest international climate change negotiations, an agreement was reached that includes all significant countries in the effort to reduce greenhouse gases. David Biello reports
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High-Tech Bartending Makes New Drinks
Author: Scientific American
Fri, Dec 9, 2011
An article in Physics World discusses how scientific instruments are being used to make state-of-the-art alcoholic beverages. Cynthia Graber reports
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Tiger Woods Made Other Golfers Worse
Author: Scientific American
Thu, Dec 8, 2011
An analysis of 10 years of PGA events found that if Tiger Woods was present, his intimidated opponents averaged almost a full stroke worse than they otherwise would have scored. Christopher Intagliata reports
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Fast Climate Change Moves Slow Species
Author: Scientific American
Wed, Dec 7, 2011
Species attempt to remain in their thermometric comfort zone, but climate change is far outpacing the rate at which they can adapt. Karen Hopkin reports
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Hoopsters Believe In Hot-or-Not Hand
Author: Scientific American
Tue, Dec 6, 2011
Pro basketball players were much more likely to try another three-point shot after making one than after missing one. John Matson reports
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Creativity Linked to Rule Bending
Author: Scientific American
Mon, Dec 5, 2011
People who scored high on standard tests for creativity were also more likely to be willing to cheat for personal gain. Sophie Bushwick reports
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Bat Ears Deform for Better Ping Pickups
Author: Scientific American
Fri, Dec 2, 2011
Slow-motion video and high-resolution imaging show that horseshoe bats can deform the shape of their outer ears for superior echolocation. Cynthia Graber reports
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Conservators Keep Last Supper Fresh
Author: Scientific American
Thu, Dec 1, 2011
A sophisticated air purification system protects The Last Supper from Milan's dirty air. Cynthia Graber reports
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Doorway to Blame for Room Amnesia
Author: Scientific American
Wed, Nov 30, 2011
Ever walk into the kitchen and forgot why you went there? Of course you have. Good news: it's the doorway's fault. Sophie Bushwick reports
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Sex Keeps Elderly Happier in Marriage
Author: Scientific American
Tue, Nov 29, 2011
Elderly married people still having sex were happier in life and marriage than their celibate compatriots. Cynthia Graber reports
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Mind-Body Mindblower: Posture Affects Estimates
Author: Scientific American
Mon, Nov 28, 2011
Leaning to one side may affect your estimates about anything from the height of an object to the frequency of an event. Sophie Bushwick reports
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Have a Food-Safe Thanksgiving
Author: Scientific American
Thu, Nov 24, 2011
Safety tips for handling your bird from North Carolina State University food expert Ben Chapman. Steve Mirsky reports
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False Confessions Confuse Forensics
Author: Scientific American
Wed, Nov 23, 2011
Forensic investigators tended to find more evidence supporting a guilty verdict following a confession, even if it was forced or coerced. Christopher Intagliata reports
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High-IQ Kids Later Try Drugs More
Author: Scientific American
Tue, Nov 22, 2011
A British study found significantly higher drug experimentation among people who performed well on IQ tests as kids. Sophie Bushwick reports
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Male Spiders Scam Females with Gift-Wrapped Garbage
Author: Scientific American
Mon, Nov 21, 2011
Male nursery web spiders lure mates with silk-wrapped offerings, only some of which contain tasty treats. Cynthia Graber reports
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Glucose Test Swaps Tears for Blood
Author: Scientific American
Sat, Nov 19, 2011
Tears have much lower glucose levels than blood but, as the ratio is consistent, they could serve for diabetes glucose monitoring. Sophie Bushwick reports
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Clock Ticks for Phobos-Grunt Mars Mission
Author: Scientific American
Thu, Nov 17, 2011
The Phobos-Grunt spacecraft is stuck in Earth orbit and has only until December to break free for Mars. John Matson reports
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Clever Cooler Cases Could Conserve Current
Author: Scientific American
Wed, Nov 16, 2011
Better design of supermarket fridge cases could save $100 million in electricity annually. Cynthia Graber reports
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Fever Increases Numbers of Immune Cells
Author: Scientific American
Tue, Nov 15, 2011
Fever can play a variety of roles, such as inhibiting pathogen replication. It also apparently increases the population of killer T cells of the immune system. Christopher Intagliata reports
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