Science

Ghosts have been haunting people all over the world for centuries. But why do they persist in this age of reason? Mike Williams explores the fear and fascination ghosts produce and finds out how our reaction to apparitions has changed over the years.
The universe is still dark after all these years
Well into the 21st century, it is indisputable that we know more about the universe than ever before. Here's a short list of open questions about the cosmos, focusing only on its composition.
How climate change could ruin your breakfast
Hazelnut prices are spiking and that's bad news for lovers of Nutella spread.
One man's quest to build the perfect toothbrush
Some people dream of climbing Mount Everest or riding a bicycle across the country. Mike Davidson's dream has been to create the perfect toothbrush, and now he thinks he's done it.
Any way you slice it, Americans are obsessed with pizza. The average American consumes pizza about 39 times a year, according to the NPD Group, a market research firm.
Apple announces a program to replace malfunctioning batteries in some of its popular iPhone 5 cellular phones.
California earthquake's timing left many fumbling in dark
The magnitude 6.0-quake struck at 3:20 a.m. PDT Sunday near the city of Napa.
Meet Frannie, the easy-going chicken
You are likely to encounter lots of animals at the Minnesota State Fair. One of them is a chicken named Frannie.
Live at the State Fair: Talking birds with the Raptor Center
Tom Weber will talk with the executive director of the Raptor Center about raptors - what we know about them, and what issues they face.
'Big Bugs' at the Minnesota Zoo make us think
Experts explore what's new with bugs - why we should be paying attention, and what "Big Bugs" can help us understand.