Sea otters fight global climate change by helping cultivate kelp forests. Sunita Williams reaches out to touch a star before fixing the International Space Station with a toothbrush. Plus, when London runs out of space on the road they may move bike lanes to the sky! LINKS TO THIS WEEK'S STORIES: Spacewalking Astronaut 'Touches' the Sun http://news.discovery.com/space/astronaut-touches-sun-120908.html#mkcpgn-ytnws1 Sea Otters May Be Global Warming Warriors http://news.discovery.com/earth/sea-otters-fight-global-warming-120910.html#mkcpgn-ytnws1 Excellent Idea of the Day: Bike Lanes in the Sky http://news.discovery.com/earth/excellent-idea/bicycle-london-england-sky-cycle-friendly-120911.html#mkcpgn-ytnws1 MORE DISCOVERY NEWS VIDEO: http://DiscoveryNewsVideo.com CONNECT WITH DISCOVERY NEWS: Like us on Facebook http://facebook.com/discoverynews Follow us on Twitter @Discovery_News http://twitter.com/discovery_news Join our Tumblr http://discoverynews.tumblr.com Remember, our stories are selected by YOU the reader. To get your favorite story on the show leave comments on Facebook, tweet the stories and read Discovery News all you can!
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