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Proof of Sir Richard Branson's dedication to low carbon emissions will be displayed next year when Virgin Galactic's two spacecrafts, Mothership Eve and SpaceShipTwo, perform test flights together using non-carbon based fuels. Virgin Fuels is working on biofuels made from algae to power the space ships, providing a tiny carbon footprint compared to even normal airplane travel.
How many new species would you guess are discovered by scientists in a given year? Would you believe, a tally of more than 18,000 species in 2007 alone? 
Today's wind turbines are like race cars with one gear. Slow off
the line and crippled at high speeds, the turbines are effective at
generating electricity only within a sweet spot of moderate wind speeds.
Raising hopes for the development of an AIDS vaccine that might actually work, researchers report they were able to protect monkeys against infection with simian immunodeficiency virus (SIV), the primate version of HIV.
There are lots of creative ways to produce biofuel from algae,
but NASA's takes the cake. The space agency is growing biofuel in
plastic bags of sewage floating in the sea. The Offshore Membrane
Enclosures for Growing Algae (OMEGA) bags are based on technology used
to recycle astronauts' wastewater. Newsletter Signup
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