Science

Minnesota Historical Society closes Grand Mound burial site
The Minnesota Historical Society has permanently closed the Grand Mound History Center near International Falls. The 2,200-year-old burial mounds are the largest surviving prehistoric structure in the upper Midwest.
Explorer Ann Bancroft heads back to the North Pole
Ann Bancroft talks about her latest planned North Pole expedition. This time, it's not so much about being the first to do something new. She says the trip will also raise awareness about global warming.
For years physicists have been hurling insults at one another over a concept called "the anthropic principle." Stanford University physicist Leonard Susskind explained what the fuss is about in a Jan. 24 speech at the Commonwealth Club of California.
Stem-cell research legislation that doesn't explicitly restrict the use of embryonic cells would face a gubernatorial veto, Gov. Tim Pawlenty said Monday, two days before state legislators delve into the issue.
A closer look at the criminal mind
New advances in neuroscience and brain imaging hold the promise of a greater understanding of the criminal mind. But Midmorning's guest says these advances shouldn't change our idea of responsibility.
Global warming: Assessing the options
Global warming concerns many of us, but what to do about it? A scientist and political expert talk about the options. The conversation, moderated by Kerri Miller, was recorded last Friday before an audience at the UBS Forum.
Legislative auditor blasts management of watersheds
A legislative auditor's report says a Minnesota state agency is doing an inadequate job overseeing local watershed management units. In a report released Thursday, the office says the Minnesota Board of Water and Soil Resources has failed to perform key parts of its mission. The agency supervises some 240 local watershed entities.
Archeological find in Walker may be one of oldest human sites
Archaeologists have uncovered ancient stone tools at the site of a road construction project near Walker. The find may be evidence of one of the oldest human habitations in North and South America.