By Sean Mattson CERRO SAPO, Panama (Reuters) - The harlequin frog that hops and swims the rocky streams of a damp niche of Toad Mountain in eastern Panama's dense tropical jungle has probably been on Earth for around 3 million years.
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Feed SubscriptionAsteroid Follows Earth’s Orbit
When you hear about asteroids close to the Earth, you probably have visions of collisions and extinctions and a postapocalyptic future. Or of brave space cowboys trying to knock them off course. You probably don’t picture a puppy that’s followed you home
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