New way out: Researchers show how stem cells exit bloodstream

Researchers at North Carolina State University have discovered that therapeutic stem cells exit the bloodstream in a different manner than was previously thought. This process, dubbed angiopellosis by the researchers, has ...

Google brings Earth into better focus

Google's free online mapping service is bringing the world into better focus with an updated version of Earth that takes advantage of photos from a US Landsat 8 satellite.

Hubble reveals stellar fireworks in 'skyrocket' galaxy

Fireworks shows are not just confined to Earth's skies. NASA's Hubble Space Telescope has captured a spectacular fireworks display in a small, nearby galaxy, which resembles a July 4th skyrocket.

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