Parrotfish Build Islands with Their Poop
2015-06-04 11:29:36 | SCIENTIFIC AMERICAN
Parrotfish munching on algae ingest coral and then eliminate the rocky substrate, creating island-building grade sediment in places like the Maldives. Julia Rosen reports...
Blood Pressure Vaccine Lengthens Rat Lives
2015-06-04 11:27:20 | SCIENTIFIC AMERICAN
A DNA-based vaccine gave rats six months of protection against high blood pressure as well as healthier hearts. Christopher Intagliata reports...
Smart Cane Could Help Blind ID Faces
2015-05-29 10:47:35 | SCIENTIFIC AMERICAN
High-tech sticks could help visually impaired people spot obstacles and even identify acquaintances as they approach. Larry Greenemeier reports...
CSI: Middle Pleistocene
2015-05-29 10:46:22 | SCIENTIFIC AMERICAN
Skull fragments dating back 430,000 years appear to be those of the world's first known murder victim, based on the damage observed. Dina Maron reports...
Mummy Mavens Unwrap Preservation Methods
2015-05-28 11:59:36 | SCIENTIFIC AMERICAN
In 1994 researchers made a mummy. Now scientists have reverse engineered the process to figure out how it's done, with the mummy makers still around to tell them how they did. Cynthia Graber reports....
A Few Hundred Smartphones Could Catch Earthquakes Early
2015-04-23 11:19:46 | SCIENTIFIC AMERICAN
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 ...
Taste Salty with Less Salt
2015-04-23 11:18:18 | SCIENTIFIC AMERICAN
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...
Small Screen Looks At an Electrified America
2015-04-23 11:15:46 | SCIENTIFIC AMERICAN
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....
Diabetics Benefit By Biggest Meal Early
2015-04-02 10:43:59 | SCIENTIFIC AMERICAN
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
2015-03-31 11:14:44 | SCIENTIFIC AMERICAN
You can now share your genome, health and microbiome info and viral infection data to crowdsourced medical research projects. Cynthia Graber reports....
The Ebola Outbreak: Past, Present and Future
2015-03-30 10:17:05 | SCIENTIFIC AMERICAN
Scientific American’s Dina Maron talks with Keiji Fukuda, assistant director general for health security at the World Health Organization, about the current Ebola outbreak, the threat of sexual transmission and the hope for a vaccine. They were both...
African-American Longevity Suffered after Great Migration
2015-03-30 10:15:49 | SCIENTIFIC AMERICAN
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
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...
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