TWiDN: Otters: Global Warming Warriors

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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

Sea Otters May Be Global Warming Warriors

Excellent Idea of the Day: Bike Lanes in the Sky

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