Uncategorized
- Chemistry
Human blood types have deep evolutionary roots
The ABO system may date back 20 million years or more, a genetic analysis suggests.
- Life
Hind wings gave four-winged dino flight control
Much-debated rear wings could have given Microraptor extra help in airborne maneuvers.
- Earth
Spanish quake linked to groundwater pumping
Draining aquifers likely triggered 2011 tremor that killed nine people.
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- Humans
The man behind Sarcastic Rover
NASA’s newest rover, Curiosity, wasn’t alone on Mars for long.
- Life
Fasting hormone helps mice live longer
A protein can trick the body into entering starvation mode.
- Microbes
Protecting the planet
Catharine “Cassie” Conley has the coolest job title at NASA: She’s the agency’s planetary protection officer. (The best title used to be “director of the universe,” but a reconfiguration a few years back eliminated that job description, she says.)
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SN Online
ON THE SCENE BLOG Deep brain stimulation shows promise for treating spinal cord injuries. Read “Brain zap helps spine-damaged rats walk.” X-ray: NASA, CXC, G. Cassam-Chenaï and J. Hughes et al/Rutgers Univ., Radio: NRAO, AUI, NSF, GBT, K. Dyer, R. Maddalena and T. Cornwell/VLA, Optical: F. Winkler/Middlebury College, NOAO, AURA, NSF, CTIO, Schmidt/DSS ATOM & […]
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Letters
Fractious debateRachel Ehrenberg’s feature story on hydraulic fracturing “The Facts Behind the Frack,“ (SN: 9/8/12, p. 20) spurred a big response from readers. We received letters voicing strong opinions on both sides of the fracking debate. The article was intended as an overview of what science has to say about the risks of fracking and, due […]
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Science Future for November 3, 2012
November 8–16 Take in nine days of science-based films during the Imagine Science Film Festival at several locations around New York City. This year’s films explore the mind, brain and time. See bit.ly/SFimfilm November 17 A new exhibit called “Our Global Kitchen” at the American Museum of Natural History in New York City explores issues […]
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Science Past from the issue of November 3, 1962
PAST-SEEKING CAMERA — A camera that can “see” what already has happened as well as what is happening may have provided the United States with information on missile bases in Cuba…. Special photographic plates are sensitive to heat (infrared) radiation and the past presence of objects is shown differentially. This is only one of the […]
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