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Raj Panjabi must use the award "to solve a timely, pressing problem." Here's what he plans to do.

DNA can be folded into nanoscale-sized tools and technologies through DNA origami.

While on the way to an event, Cathy checks in on Will, who insists he's fine.

Randy Owen discusses “Mountain Music.”

A pioneering class of astronauts is recruited by NASA to fly aboard its new Space Shuttle.

In this episode of Looking Up , hosts Dean Regas and Anna Hehman talk about the growing number of exoplanets being discovered, thanks to advance...

Lawrence Summers discusses why Trump's new law is making him "ashamed" of his country.

Nicholas Kristof joins the show.

Sahle-Work Zewde, an experienced diplomat, is the first female head of state in Ethiopia's modern history. Women also now constitute half of the country's Cabinet ministers.