Disinfecting dirty water with solar power

Research shows that ultra-violet rays inactivate troublesome microbes, such as cholera, when a days supply of water is left in direct sunlight. Do you like the MicrobeWorld podcast? Please help spread the love! Send an email to info@flpradio.com, tell a

Hubble Looks at Four Dead Stars
> > Planetary nebulae are some of the most beautiful objects in the Universe. Don’t let the name confuse you, though, they have nothing to do with planets. They’re all that’s left behind when stars at the end of their lives cast off their outer layers

The Triangle that Skimmed Past the Earth: Asteroid 2002 NY40
> > In August 2002, a bizarre looking asteroid made its closest approach to the Earth, skimming only 540,000 km above the Earth’s surface. That’s only 1.5 times the distance between the Earth and Moon. This gave astronomers an unprecedented opportunity

Science Update Podcast for 14 September 2007
Antibiotics made out of Teflon. A new diet for chickens. A virus that can cause obesity? Why things aren’t quite as bad as we think they’ll be. And just how fast can dolphins swim? >

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