Cocoa Chemical
While a box of Valentine's Day chocolates won't do much for your sweetie's health, a new study has …
Healthy Laughs Roundup
They say laughter is the best medicine, and now scientists have proven them right.
Podcast
Cancer-sniffing dogs, the origin of the moon, how saturated fats kill, a new neighbor galaxy, and …
Stealth Galaxy
Some things are like dirt on your glasses--so close they're hard to see. That's why it's taken so …
Killers Fats
By now, almost everyone has heard that it's good to avoid saturated fats. But scientists are still …
Moon Origin
When Apollo astronauts went to the moon, they wanted to find out where it came from. Now one of our …
Cancer-Sniffing Dogs
Dogs are routinely used to sniff out everything from illegal drugs to explosives. But new research …
Cancer Cells Roundup
Learning how healthy cells work is an important step to preventing diseases like cancer and AIDS.
Podcast
The North Star's companion, the origin of laughter, scientific mind-reading, an explanation of dark …
Dark Energy
One listener asked about the mysterious-sounding force in the universe called dark energy, and we …