Top news for December 21, 2008

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SpaceX launches Italian Earth-observing satellite to orbit on the 1st mission of 2026 (video)

Astronomers Discover A Rogue Planet With Saturn-Like Mass

Some of your cells are not genetically yours — what can they tell us about life and death?

Do our body clocks influence our risk of dementia? - EurekAlert!

A hidden brain problem may be an early warning for Alzheimer’s

Scientists tested intermittent fasting without eating less and found no metabolic benefit

Age does not stop nerve healing after spinal cord injury

New antibiotic pill shows promise against drug-resistant gonorrhea

See Northern Lights, ‘Shooting Stars’ And A Full Moon This Weekend

Vaccines Are Helping Older People More Than We Knew