Science

Geologist shines light on Twin Cities caves
If you've ever eyed a cave entrance, a storm drain or sewer somewhere in the Twin Cities and wondered what's inside, University of Minnesota geologist Greg Brick has the answer. Brick, author of "Subterranean Twin Cities," spent two decades researching and exploring all the area's underground spaces.
From science fiction to physical reality
A renowned theoretical physicist ponders the possibility of forcefields, time travel, and other themes of science fiction. He says many of these do not violate the laws of physics, and could become reality in the next century.
Humans vs. animals, a comparative study
A writer investigates what it means to be human by considering how much she is like certain animals. One example: like people, prairie dogs have an extended vocabulary of sounds.
Elk Run investor lays out vision for future of medicine
Biotech investor Steve Burrill laid out his vision today for the future of medicine during a visit to southwest Minnesota. It was his first public stop in the state since he decided to invest in the planned Elk Run BioBusiness Park near Rochester.
St. Olaf students win Rube Goldberg competition
How many St. Olaf College students does it take to change a light bulb? Apparently the answer is 11 -- and it takes them 239 steps and nearly two full minutes to get the job done.
The floodwaters seem to be receding, but the danger is far from over. An incoming storm will bring both wind and snow to the Red River Valley and people are concerned about the winds whipping up waves that could overcome the sandbag dikes. All Things Considered talked with agricultural service engineer Ken Hellevang about the strength of the dikes.
The thieves apparently used a complicated Internet virus to gain private information that was used to execute electronic money transfers at the Church of St. Joseph in Red Wing.
Warning to weekend warriors: Swim-bike-run triathlons pose at least twice the risk of sudden death as marathons do, the first study of these competitions has found.
The geology of the Red River flood plain
To explain why the Red River seems to spill over its banks with such consistency, we called Don Schwert, a professor of geology at North Dakota State University in Fargo.