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Tina Amirtha

Old astronauts are spending years in space and we don't know what it's doing to their bodies

Mining magma: Iceland's geothermal well will use Earth's crust to power 5,000 homes

Finding Proxima b: the 'planet hunters' searching for signs of alien life around nearby stars

How chilling! Amsterdam is using its underground water supply to cool its blood bank

Big Picture: a window into one of the world's most active volcanoes

How to build skyscrapers that can withstand earthquakes

This satellite's web connection is 90 times faster than yours