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May 23, 2013 | NPR ·
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Space
May 18, 2013 — Hadfield just spent 146 days up at the International Space Station, during which time he performed rock concerts and shared his dazzling photographs with nearly a million Twitter followers.
May 17, 2013 — Generations of physicists have claimed that time is an illusion. But not all agree. In his book Time Reborn: From the Crisis in Physics to the Future of the Universe, theoretical physicist Lee Smolin argues that time exists—and he says time is key to understanding the evolution of the universe.
May 16, 2013 — Scientists have discovered water that was sealed in Canadian bedrock for nearly half of Earth's history. It may contain the descendants of ancient microbes. The discovery could give scientists new insights into early life on Earth and inform the search for life on other planets.
May 15, 2013 — The mission launched in 2009 to hunt for Earth-like planets circling distant stars may be coming to an end because of a faulty part in the space telescope.
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May 14, 2013 — The Canadian astronaut didn't just tweet and sing his heart out during his five months as commander of the International Space Station. He also took time out to show the world what it's like to eat up there.
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May 11, 2013 — NASA sent two astronauts on a spacewalk Saturday to fix an ammonia leak in one of International Space Station's power systems.
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May 10, 2013 — Astronauts discovered an ammonia leak in a system designed to keep the International Space Station's power supply cool.
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May 10, 2013 — Saul Perlmutter shared the 2011 Nobel Prize in physics for his discovery that the universe was expanding at an accelerating rate. Perlmutter explains how supernovae and other astronomical artifacts are used to measure the expansion rate, and explains what physicists are learning about "dark energy" — the mysterious entity thought to be driving the acceleration.
May 10, 2013 — The SETI (Search for Extraterrestrial Intelligence) Institute's Jill Tarter has spent decades searching for the signals that would tell us we aren't alone in the cosmos. Tarter discusses the hunt, and what the presence of intelligent life elsewhere might tell us about our own future on Earth.
