Uncategorized
- Life
Groovy teeth suggest dinosaur was venomous
Fossils show depression in upper jaw that held venom-producing glands.
- Space
Herschel Space Observatory sees stars being born
A recently launched infrared observatory has discovered about 700 newly forming stars.
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2009 Science News of the Year
Brevity is in. If what you have to say can’t be delivered in 140 characters or less, you should reconsider your message — or so it seems in a world agog with texting and Twitter. Compiling Science News’ annual list of scientific highlights brought home the good and bad of this trend. Indeed, some of […]
- Math
2009 Science News of the Year: Numbers
Detroit Tigers second baseman Placido Polanco, a 2009 Gold Glove winner, applies the tag as Chicago White Sox’s Gordon Beckham slides into second. Image credit: Duane Burleson – file The stats on fielding Astute baseball fans know who has the golden glove, but assigning a number to a player’s defensive merits has been tricky. Benjamin […]
- Life
2009 Science News of the Year: Genes & Cells
Cancer-fighting roles Scientists have discovered a new role in cancer protection for an already well-known tumor suppressor protein. The protein, called p53, protects cells from becoming cancerous by sensing stress and either shutting down cell division or triggering cell death. Researchers at the University of Tokyo and colleagues have discovered that p53 also plays a […]
- Chemistry
2009 Science News of the Year: Molecules
Tangles of collagen IV chains link at globules via sulfur-nitrogen bonding (illustrated above). Credit: Courtesy of Science/AAAS New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds […]
- Health & Medicine
2009 Science News of the Year: Nutrition
Natural vanilla extract comes from pods (shown), but most vanillin is synthesized in the lab. Credit: De-Kay/istockphoto That yeast smells good Yeast has long been pressed into service for making beer and bread. Now the fungus has been tapped for a loftier flavor: vanillin, vanilla’s dominant compound (SN: 5/23/09, p. 9). Natural vanilla comes from […]
- Life
2009 Science News of the Year: Life
Breeding records for sheep on Hirta offer an unusual opportunity to study inheritance. Image Credit: Arpat Ozgul Gentler winters shrink sheepWarming has trumped the benefits of fat to shrink sheep on the remote North Atlantic island of Hirta, a new analytical approach has revealed (SN: 8/1/09, p. 12). Weights for wild female Soay sheep dropped […]
- Physics
2009 Science News of the Year: Matter & Energy
First programmable quantum computer Ultracold beryllium ions are at the heart of the first programmable quantum computer, an advance that brings scientists closer to harnessing the power of quantum systems for general computing. The new system, researchers report in Nature Physics, flexed its versatility by performing 160 randomly chosen processing routines (SN: 12/19/09, p. 13). […]
- Health & Medicine
2009 Science News of the Year: Body & Brain
Numbers of passengers arriving from Mexico in March and April 2008 show which cities would have been most vulnerable to H1N1 transmission. Credit : The New England Journal of Medicine ©2009 H1N1 strikes and spreads Like the years 1957 and 1968, 2009 will be known as a pandemic flu year. The springtime eruption of a […]
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- Space
2009 Science News of the Year: Atom & Cosmos
A post-crash plume kicked up from the moon contained vapor and ice. NASA crashed an unmanned spacecraft into the lunar surface on October 9 in order to analyze the resulting debris for signs of water. Image Credit: NASA Water on the moonThe moon isn’t bone dry: Although planetary scientists had suspected as much for years, […]
