Finland gets dark during the winter. Very dark. That's why they experience high rates of Seasonal Affective Disorder (SAD). Some interesting devices have been created to help; one of which is the Valkee, a portable iPod-like device launched in 2010 that delivers 8-12 minute doses of light directly to the brain via your ear canal.

If you've ever been hospitalized and sent home to recover, you know it can be overwhelming. Now imagine it from a child's point of view. Children's Hospital Boston is now piloting a program to send telepresence robots home with post-op patients. The robots will allow for ongoing communication, observation and care to ease recovery from the familiar comfort of home.

We all know we shouldn't throw light bulbs or batteries in the trash, but how to recycle them often remains a mystery. One option is the boxes at big chain stores, but soon a safer and more enticing solution may be available: deposit them in a reverse vending machine and receiving an immediate reward for your trouble!

It's been nine months after the tsunami and earthquake destroyed the Fukushima nuclear power plant, and still no one knows how bad the radioactive contamination is. Radiation levels are expected to still be off the charts, and scientists at Fukushima University are planning to use wild monkeys to find out via specially outfitted collars.