Science

The pet doctor is in
Veterinarian Kate An Hunter answers listener questions about all things animal.
The end of an era at the Minneapolis Grain Exchange
After more than a century of shouts and gestures, the trading floor at the Minneapolis Grain Exchange goes silent Friday afternoon. Friday is the last day of open outcry futures trading on the floor of the exchange.
More Aurora Borealis predicted
Northern lights may be returning to most of Minnesota's skies in the coming years. That's because the sun is expected to be creating more weather in space, throwing off clouds of magnetized particles that have the power to turn dark skies into ribbons of color...and disrupt the GPS systems we've come to rely upon.
Free speech on the Internet
Google's purchase of YouTube has enabled the Web site to reach around the globe. But Google recently met its match in Turkey when the Turkish government blocked the site due to culturally inappropriate content. Midmorning asks how consumers, companies, and laws will adapt to emerging Internet technology.
Evidence of a green Sahara
On a recent dinosaur dig in Africa, paleontologists found evidence of lush vegetation and a thriving community of ancient people in what is now the Sahara Desert.