Sleep is necessary

Brains flush toxic waste in sleep, including Alzheimer’s-linked protein, study of mice finds:

http://www.washingtonpost.com/national/health-science/brains-flush-toxic-waste-in-sleep-including-alzheimers-linked-protein-study-of-mice-finds/2013/10/19/9af49e40-377a-11e3-8a0e-4e2cf80831fc_story.html

Possible new "missing link"

A newly discovered 1.8 million-year-old skull from former Soviet republic of Georgia may be the missing link that ties all of humanity together . . .

http://www.cbsnews.com/8301-18563_162-57608080/newly-found-ancient-skull-could-rewrite-human-history/

High School Science Projects Make a Difference in the Real World

At age 15 a high school student, Jack Andraka, did what countless MD and PhD scientists have failed to do for years.  He developed a test to detect pancreatic cancer at an early stage. (Pancreatic cancer is so deadly because once it is detected in a person, it has usually already spread to other parts of the body and is therefore very difficult to treat.)

Watch a short 60 minutes news clip on Jack:

http://www.cbsnews.com/video/watch/?id=50157066n