Uncategorized
- Humans
2009 Science News of the Year: Humans
An artist’s illustration shows how a female Ardipithecus may have looked. An analysis of Ardi’s bones, uncovered from 1992 through 1997, was released this year. Credit: J.H. Matternes Ardi puts new spin on hominid evolution A 4.4-million-year-old partial female skeleton discovered in Africa, along with fossils from at least 36 of her comrades, provide the […]
- Life
Do-it-yourself bed-bug detector
With bed-bug numbers on the rise in North America, researchers test homemade bug finders.
- Health & Medicine
Darker liquor, never sicker
People report feeling worse the next morning after drinking bourbon than after drinking vodka.
- Earth
Cameras catch underwater volcano in the act
Seafloor eruption in the South Pacific is the deepest and most violent yet seen.
- Earth
2009 Science News of the Year: Environment
Recent monitoring (from a gondola in Washington state, shown) reveals that rates of tree death are up. Credit: Univ. of Washington Routine tree deaths doubled Small background rates of everyday tree death have doubled in old-growth, western forests since 1955, possibly because of climate change, researchers report (SN: 2/14/09, p. 8). In 76 plots with […]
- Tech
2009 Science News of the Year: Technology
A polymer doped with a color-changing molecule turns red seconds before snapping. Credit: D. Stevenson, A. Jerez, A. Hamilton, D. Davis About to breakEngineers one day may not need to guess when a bridge is near its breaking point. New materials that flush red in response to damage may provide a visual warning sign of […]
- Humans
2009 Science News of the Year: Science & Society
Activists plead for a new agreement during the 2007 U.N. Climate Change Conference. Credit: Jewel Samad/AFP/Getty Images Leaders warm to climate action Throughout the year, global leaders used various summits around the world to declare their intention to take firm, though often unilateral, action to reduce their nations’ carbon footprints. In December, negotiators from more […]
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Science Past from the issue of January 2, 1960
MORE JOBS THAN MEN IS PICTURE FOR ENGINEERS — The college engineer market, subject to the fickle swing of the employment pendulum, will be getting a good picking over by industry in the early 1960’s when demand for engineering graduates will exceed supply. The Engineering Manpower and Scientific Manpower Commissions reported that industries intend to […]
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Science Future for January 2, 2010
January 13–16Members of several mathematical societies meet for a joint conference in San Francisco. See www.ams.org January 20–22Experts in various disciplines meet in Washington, D.C., to discuss greening the economy. See ncseonline.org/conference/greeneconomy January 27 Intel Science Talent Search finalists are announced. See www.societyforscience.org
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Letters
Outsized beaver Accompanying your recent article about giant extinct beavers (“Ancient beavers did not eat trees,” SN: 11/21/09, p. 10), there is an illustration that seems to show that the extinct beaver was about twice the length of a present-day beaver. I measured each from nose to the base of the tail rather than to […]
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STEM talent: Moving beyond traditional boundaries
Our future belongs to a new breed of science, technology, engineering and math talent — decidedly different minds that will use the transformative power of science and technology to advance the human condition. STEPHANIE PACE MARSHALL “The nature and quality of our thinking shape who we become.” Photography by Feltes In this age of escalating […]
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