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Science News Aggregator
Feeds last updated on 20 November 2008, 07:10 GMT

Tunnelling nanotubes: Life's secret network
A recently discovered system that directly connects the interiors of distant cells could be the key to life &ndash and death investigates

US gives go-ahead for super Wi-Fi
The "white space" frequencies to be freed up by the switch-over to digital TV can be used by wireless devices, US government says

Astronomers Detect Matter Torn Apart By Black Hole
Astronomers have used two different telescopes simultaneously to study the violent flares from the supermassive black hole in the center of the Milky Way They have detected outbursts from this region, known as Sagittarius A*, which reveal material being stretched out as it orbits in the intense gravity close to the central black hole

Exercise Increases Brain Growth Factor And Receptors, Prevents Stem Cell Drop In Middle Age
A new study confirms that exercise can reverse the age-related decline in the production of neural stem cells in the hippocampus of the mouse brain, and suggests that this happens because exercise restores a brain chemical which promotes the production and maturation of new stem cells

Oldest nuclear family 'murdered'
A 4,600 year old family group discovered in Germany suffered a violent death, experts find

Letters: Genes in the Spotlight (5 Letters)
Genes in the Spotlight

Vital Signs: Patterns: ?Spring Forward? May Be Bad for the Heart
A study by Swedish researchers suggests that moving the clock ahead in spring may have come with the side effect of an increase in heart attacks

Findings: In Bias Test, Shades of Gray
Are there problems with the way researchers have been using split-second reactions on a computer test to diagnose an epidemic of racial bias

More evidence points to past oceans on Mars
Chemical fingerprints in the soil suggest Mars may have had a succession of relatively short-lived oceans

Q & A: Is Expired Toothpaste Dangerous?
What happens if you use toothpaste thats past its expiration date

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