Uncategorized
- Astronomy
MESSENGER captures new images of Mercury during a third passage
MESSENGER flew past Mercury for a third time on September 29. The spacecraft's mission will continue, with MESSENGER due to settle into a yearlong orbit around Mercury in March 2011.
By Ron Cowen - Chemistry
Earth’s ‘boring billion’ years blamed on sulfur-loving microbes
A new study suggests these organisms could have kept oxygen levels low and waters toxic, stalling the evolution of complex life.
- Paleontology
Parasite may have felled a mighty T. rex
An infection known to afflict modern birds may have led to starvation in several dinosaurs.
- Paleontology
Fish death, mammal extinction and tiny dino footprints
Paleontologists in Bristol, England, at the annual meeting of the Society of Vertebrate Paleontology report on fish fossils in Wyoming, the loss of Australia’s megafauna and the smallest dinosaur tracks.
By Sid Perkins - Life
Better sensing through empty receptors
A new model suggests cells may be more sensitive to their environment than previously thought.
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Looking for a change on climate policy in Copenhagen
A Q&A with Richard A. Bradley.
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Book Review: How We Live and Why We Die: The Secret Lives of Cells by Lewis Wolpert
Review by Nathan Seppa.
By Science News -
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Grace Hopper and the Invention of the Information Age by Kurt W. Beyer
This biography explores the trials and triumphs of one of computer programming’s few female pioneers.MIT Press, 2009, 389 p., $27.95. GRACE HOPPER AND THE INVENTION OF THE INFORMATION AGE
By Science News -
The 10,000 Year Explosion: How Civilization Accelerated Human Evolution by Gregory Cochran and Henry Harpending
Genetic changes reveal how culture has shaped recent human evolution, the authors argue. Basic Books, 2009, 288 p., $27. THE 10,000 YEAR EXPLOSION: HOW CIVILIZATION ACCELERATED HUMAN EVOLUTION
By Science News -
Instant Egghead Guide: The Universe by J.R. Minkel and Scientific American
Bite-sized knowledge on subatomic particles, supernovas, time dilation and more.St. Martin’s Griffin, 2009, 221 p., $14.99. INSTANT EGGHEAD GUIDE: THE UNIVERSE
By Science News -
Green Intelligence: Creating Environments that Protect Human Health by John Wargo
Pollution’s past effects could inform today’s environmental policy. Yale Univ. Press, 2009, 400 p., $32.50. GREEN INTELLIGENCE: CREATING ENVIRONMENTS THAT PROTECT HUMAN HEALTH
By Science News