Science

Arctic expedition records signs of global warming
Today is Earth Day. Minnesotan and polar explorer Will Steger will spend the day on Ellesmere Island in the Canadian Arctic. Steger is leading a 1400-mile dogsled expedition across the island; he hopes to record the impact of global warming on the northernmost part of the North American continent. Morning Edition host Cathy Wurzer talked with Steger by satellite phone.
Grants for science
Two Minnesota colleges, Gustavus Adolphus and Carleton COllege, each received major grants to help students navigate complex scientific research.
'Business of the Bomb'
American RadioWorks investigates the new nuclear threat and the global nuclear black market in a new documentary titled, "Business of the Bomb: The Modern Nuclear Marketplace."
A theatrical show featuring dinosaurs that has toured all over the world for the past year is coming to St. Paul this summer.
MPR's Tom Crann speaks with University of Wisconsin-Milwaukee economics researcher Scott Adams about his study that links smoking bans to increased drunk driving.