Enceladus Might Be Methane Hotspot
2015-03-26 10:06:46 | SCIENTIFIC AMERICAN
NASA’s Cassini spacecraft spotted a surprising amount of methane erupting from Saturn’s moon Enceladus, suggesting it harbors more methane than we thought. Clara Moskowitz reports...
See Movement Better by Bicarb
2015-03-25 10:15:44 | SCIENTIFIC AMERICAN
Bicarbonate, the chemical that transports CO2 through the blood, increases the "refresh rate" of rod cells in lab tests--which could mean better motion detection. Christopher Intagliata reports...
Malaria Parasite Attracts Mosquitoes with Perfume
2015-03-25 10:12:57 | SCIENTIFIC AMERICAN
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...
Teotihuacan's Social Tensions Contributed to Its Fall
2015-03-24 10:32:42 | SCIENTIFIC AMERICAN
The decline and abandonment of the Mexican metropolis may have been hastened by infighting among different cultural and socioeconomic groups. Cynthia Graber reports...
Humans and the Amazon: A 13,000-Year Coexistence
2015-03-24 10:31:05 | SCIENTIFIC AMERICAN
University of Exeter archaeologist José Iriarte talks to freelance journalist Cynthia Graber about his efforts to understand human activity in and influence on the Amazon region for the last 13 millennia ...
Music’s Physiological Effects Transcend Culture
2015-03-23 09:27:19 | SCIENTIFIC AMERICAN
People in the Congo rainforests or in Montreal tended to react to the same piece of music in strikingly similar ways. Andrea Alfano reports...
That's What Ya Call a 4-Star Planet
2015-03-23 09:25:45 | SCIENTIFIC AMERICAN
Astronomers report the discovery of only the second quadruple-star system known to host at least one planet. But they suspect there are a lot more such systems out there. Lee Billings reports...
La Nina Conditions Spin Up More Springtime Twisters
2015-03-19 12:02:54 | SCIENTIFIC AMERICAN
Severe weather forecasters could incorporate El Niño and La Niña cycling to make springtime tornado and hail forecasts. Christopher Intagliata reports...
Smoke Makes Twisters More Likely to Strike
2015-03-19 12:01:53 | SCIENTIFIC AMERICAN
Smoke wafting north from the Gulf of Mexico worsened the already stormy weather brewing across the southeastern U.S. on April 27, 2011. Julia Rosen reports...
Human Remains Double Known Rainforest Occupation Time
2015-03-18 10:12:09 | SCIENTIFIC AMERICAN
Physical remains in Sri Lanka show that people lived in rainforests 20,000 years ago, at least 10,000 years earlier than previous evidence showed. Cynthia Graber reports...
Crowd-Sourced Medical Research Gets Apple Assist
2015-03-17 09:42:39 | SCIENTIFIC AMERICAN
What’s called ResearchKit enables scientists to more easily write mobile apps that take advantage of iPhone sensors to study asthma, Parkinson’s and other diseases. Larry Greenemeier reports...
The Placement Excitation: Scientific American on The Big Bang Theory
2015-03-13 09:54:53 | SCIENTIFIC AMERICAN
In conjunction with this magazine's inclusion on the March 12 episode of The Big Bang Theory, here's an edited version of a talk by the sitcom's science advisor, U.C.L.A. physicist David Saltzberg, about his role and the show's reach...
Big Bang Sitcom Stars Scientific American Tonight
2015-03-13 09:53:14 | SCIENTIFIC AMERICAN
On the March 12 episode of The Big Bang Theory, a mock copy of Scientific American becomes a key part of the plot. The sitcom's science advisor, U.C.L.A. physicist David Saltzberg, talks about the show's reach to the lay public. Steve Mirsky reports...
Background Music Jams Memory in Older Adults
2015-03-13 09:51:33 | SCIENTIFIC AMERICAN
People of all ages find background sound distracting, but noise appears to impede memory formation in older people. Erika Beras reports...
Britain Imported Wheat 2,000 Years before Growing It
2015-03-12 10:08:11 | SCIENTIFIC AMERICAN
Sediments at a Britsh archaeological site include wheat remains dating back 8,000 years, meaning that Britons were bringing in European wheat two millennia before they grew it. Cynthia Graber reports ...
Air Force Space Command General on Keeping Space Collision-Free
2015-03-12 10:06:39 | SCIENTIFIC AMERICAN
Gen. John Hyten, Commander, U.S. Air Force Space Command, talks about the task of tracking all the materials in orbit and keeping them from crashing into one another. Steve Mirsky and Larry Greenemeier report ...
Some European Languages Came by Steppe
2015-03-11 10:01:10 | SCIENTIFIC AMERICAN
A new genetic analysis reveals a massive migration from the central Asian grasslands into Europe 4,500 years ago—implying that some languages followed. Christopher Intagliata reports...
Animals Can Be Given False Memories
2015-03-11 09:59:29 | SCIENTIFIC AMERICAN
Two studies, one with bees and one with mice, show that the brain can be manipulated into having a memory of an occurrence that did not in reality happen. Karen Hopkin reports. ...
Whale Grandmas' Longevity Linked to Knowledge
2015-03-10 12:30:36 | SCIENTIFIC AMERICAN
Whale females, like humans, live well past menopause, a trait possibly selected for because their knowledge base can help their entire clan survive. Dina Fine Maron reports...
Salty Skin Boosts Mouse Wound Healing
2015-03-10 12:29:16 | SCIENTIFIC AMERICAN
Mice fed a diet high in sodium had increased immune cell activity in their skin that helped ward off infection. Karen Hopkin reports...
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