Space Mirrors that could Light up the Earth

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Znamya 2.5, a giant mirror is being launched, part of Russian-US research into whether orbiting space mirrors could illuminate Earth. Brazilian scientists are making life-saving snake-bite antidotes by injecting chickens with venom and collecting the antibodies from the eggs. A new man-made element, Number 114 on the Periodic Table, is produced. Hear what comet dust particles could sound like when they collide with a new probe, Nasa's Stardust mission.