This tree in Chile may be the oldest one ever discovered
From the Astronauts perform spacewalk aboard the ISS, and more of today's top videos series
Trees can grow to become some of the oldest living organisms on our planet. In fact, the average redwood lifespan is around 800 to 1,500 years, with some able to span 2 millenia. But now in southern Chile, a cypress may be about to become the oldest tree in the world.
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Two astronauts performed a spacewalk on the ISS to upgrade the station's power channels, end…
