Science

Stem cell veto could become a campaign issue
President Bush vetoed a bill Wednesday that would expand federal research on stem cells obtained from embryos. The issue could also play a role in the November election, since two of the U.S. Senate candidates in Minnesota differ on the issue.
Training a brain for a car chase
Many people are concerned about the dangers of police chases. But until now there's never been a study about what happens to a police officer's brain during a chase. Research at Minnesota State University, Mankato raises questions about whether police training for chases is adequate.
Popular science in the blogosphere
There are more than 46 million blogs on the Internet, and his is the most read science blog. Pharyngula, by PZ Myers, is the world's 179th most read blog on any topic. MPR's Tom Crann tried to find ou why it's so popular.
Unlocking the secrets of the animal mind
An expert in animal behavior draws on her own experience with autism to reveal the mysteries of how animals think.
Copy cats -- and dogs
Ten years ago, a little lamb named Dolly was born. And things haven't been the same since.
Gypsy moths stalk the North Shore
The battle is beginning against a small brown moth on Lake Superior's north shore. Minnesota's largest infestation to date of gypsy moths was discovered last year in Lake and Cook counties.
The growing math and science gap
The U.S. is the undisputed leader in science and innovation, but the rest of the world is catching up. Midmorning looks at why America is losing its edge, and what can be done about it.
Do you hear what I hear?
A high-pitched tone marketed by a British security company to repel teenagers has found a new use as a ringtone adults can't hear.