Shipwreck Champagne Reveals Old Wine Secrets04/24/15
Analysis of 168 bottles of bubbly that sat at the sea bottom for 170 years shows how the old-timers tweaked their champagne taste. Cynthia Graber reports.
Small Screen Looks At an Electrified America
Scientific American 's David Biello hosts a new episode of the TV series Beyond the Light Switch focusing on the means to and effects of a more electricity-powered country. Steve Mirsky reports.
Taste Salty With Less Salt
Making salamis and cheeses with more pores might make them taste just as salty but with less added sodium finding its way into the body. Christopher Intagliata reports.
Granular Materials Could Thwart Missiles
The harder a projectile hits a granular substance like sand, the more that material acts like a solid, effectively repelling the intruder. Christopher Intagliata reports.
A Few Hundred Smartphones Could Catch Earthquakes Early
Thanks to their GPS systems, smartphones in an array could pick up movements indicating the onset of an earthquake and provide extra seconds of early warning. Cynthia Graber reports.
Martian Glaciers Equal Meter-Thick Planetary Ice Shell
Radar measurements and models of Earthly glacial ice flows led researchers to conclude that the glaciers spotted on Mars from orbiters contain nearly 150 billion cubic meters of water. Lee Billings reports.
Nobelist Talks About Exercise and Chromosome Integrity
In a Google Hangout, Nobel Laureate Elizabeth Blackburn and Scientific American editor-in-chief Mariette DiChristina discuss the relationship between exercise and telomere length, which is related to diseases of aging.
Typing Style Reveals Fatigue or Disease
How a person types can reveal the state of their brain, according to a study that tracked keystrokes when the typist was alert or groggy. Cynthia Graber reports.
App Provides Pocket Time Capsule
New app called Pivot will let gadget users see old and new images of sites as they walk past. Larry Greenemeier reports
Online Breast Milk Buyers May Get Cowed
An analysis of human breast milk bought online reveals that some 10 percent of the samples contained cows milk. Dina Fine Maron reports.
B.O. Gives Up Its Stinky Secrets
Staphylococcus hominis is a key perpetrator of body odorand researchers say selectively interfering with it could make for more effective deodorants. Christopher Intagliata reports
Outdoor Exercise Worth Some Air Pollution Risk
A Danish study of more than 50,000 adults suggests that exercise lowers risk of deatheven if you work out amidst urban air pollution. Christopher Intagliata reports.
Diabetics Benefit By Biggest Meal Early
A small study finds that diabetics who ate a big breakfast and small dinner had better glucose control than those who ate the opposite. Steve Mirsky reports.
Donate Your Health Data To Medical Science
You can now share your genome, health and microbiome info and viral infection data to crowdsourced medical research projects. Cynthia Graber reports.
African-American Longevity Suffered after Great Migration
The six million black people who left the South between 1910 and 1970 had better economic opportunity but a lower chance or reaching their 70s. Erika Beras reports
Enceladus Might Be Methane Hotspot
NASAs Cassini spacecraft spotted a surprising amount of methane erupting from Saturns moon Enceladus, suggesting it harbors more methane than we thought. Clara Moskowitz reports.
Malaria Parasite Attracts Mosquitoes With Perfume
The Plasmodium parasite uses an altered type of plant chloroplast to manufacture pine-and-lemon scented chemicals, which lure in the bloodsuckers. Christopher Intagliata reports.
See Movement Better By Bicarb
Bicarbonate, the chemical that transports CO 2 through the blood, increases the 'refresh rate' of rod cells in lab testswhich could mean better motion detection. Christopher Intagliata reports.
Teotihuacán's Social Tensions Contributed to Its Fall
The decline and abandonment of the Mexican metropolis may have been hastened by infighting among different cultural and socioeconomic groups. Cynthia Graber reports
Music’s Physiological Effects Transcend Culture
People in the Congo rainforests or in Montreal tended to react to the same piece of music in strikingly similar ways. Andrea Alfano reports.
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