Mantis shrimp eye could improve high-definition CDs, DVDs

The eye of the peacock mantis shrimp has led an international team of researchers to develop a two-part waveplate that could improve CD, DVD, blu-ray and holographic technology, creating even higher definition and larger storage density.

Healthy eating, activity and sleep needed to curb childhood obesity

Limiting television and other media use, encouraging infants and children in preschool and child care to be more physically active, and requiring child care providers to promote healthy sleeping practices are some of the actions needed to curb high rates of obesity among America’s youngest children, according to a new report.