Jefferson researchers uncover new way nature turns genes on and off
Dec 27, 2006 |
4.6 / 5 (22) |
0
Peering deep within the cells of fruit flies, developmental biologists at the Kimmel Cancer Center at Thomas Jefferson University in Philadelphia may have discovered a new way that genes are turned on and off during development. ...
How Does Zebrafish Regrow Missing Tail Fin?
Dec 27, 2006 |
4.5 / 5 (12) |
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If a zebrafish loses a chunk of its tail fin, it'll grow back within a week. Like lizards, newts, and frogs, a zebrafish can replace surprisingly complex body parts. A tail fin, for example, has many different types of cells ...
Nordic walking taking root in Japan
Dec 27, 2006 |
4 / 5 (10) |
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Japan's newest fitness craze, Nordic walking, has onlookers puzzled as to why people are walking with ski poles when there is no snow.
Scientists create 3-D scaffold for growing stem cells
Biology /
Dec 27, 2006 |
4.7 / 5 (6) |
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Stem cells grew, multiplied and differentiated into brain cells on a new three-dimensional scaffold of tiny protein fragments designed to be more like a living body than any other cell culture system.
Pet owners are sick more often and exercise less than other working aged people
Dec 27, 2006 |
3.6 / 5 (7) |
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A common perception is that pet owner is a young person who is full of action, exercises a lot, and actively plays with a pet, particularly with a dog. The reality is different, however.
Banner year for cybercrime
Dec 27, 2006 |
3.8 / 5 (5) |
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This was a year for the record books for computer crime with 2007 likely even more dire, Wednesday's Washington Post reported.
Study shows jet lag may be harmful
Dec 27, 2006 |
3.8 / 5 (4) |
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A study done on mice has shown that jet lag may not only be a nuisance to frequent fliers but it could be al health risk.
Brain exercise gives mind a workout
Dec 27, 2006 |
2.5 / 5 (6) |
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A surge of new brain exercise products is offering baby boomers the hope of sharper minds, The New York Times reported Wednesday.
Polar bear may be listed as 'endangered'
Dec 27, 2006 |
3.5 / 5 (4) |
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The Bush administration is calling for polar bears to be listed as a threatened species under the U.S. Endangered Species Act.
Hand transplant patient wiggles fingers
Dec 27, 2006 |
2.8 / 5 (5) |
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A hand transplant patient in Spain is wiggling her fingers less than a month after receiving two new hands, El Pais newspaper reported Wednesday.
Spirit Tests New Computer Smarts
Space & Earth / Space Exploration
Dec 27, 2006 |
3 / 5 (4) |
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Spirit is healthy and conducting scientific analysis of a rock target known as "Palma." During the past week, Spirit tested some new software sequences, including a "watch for dust devil" command and an automatic ...
Study identifies glucose 'sensor' that plays dual role in glucose metabolism and fat synthesis
Dec 27, 2006 |
3 / 5 (3) |
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In the study, glucose is shown to stimulate the activity of the Liver X Receptors (LXR) a and b, The LXRs act as sensors of dietary components, orchestrating the body's response to nutrients such as oxysterols (short-lived ...
Incidence of stroke decreases over last 50 years
Dec 27, 2006 |
4 / 5 (2) |
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The incidence of stroke in the U.S. over the past 50 years has declined, although the severity of stroke has not, according to a study in the December 27 issue of JAMA.
Hemorrhagic fever outbreak in Russia
Dec 27, 2006 |
3.5 / 5 (2) |
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The Voronezh region of central Russia is once again seeing an epidemic of hemorrhagic fever, this time affecting the kidneys.
Whooping cranes make a strong comeback
Biology /
Dec 27, 2006 |
3.5 / 5 (2) |
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The yearly migration of the whooping cranes has returned them to Texas's Aransas National Wildlife refugee with 237 of the birds returning.
