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19683

The lenses in our eyes yellow as we age. Does this affect the light-mediated regulation of our body clocks? Could it explain any age-related dysfunction? Mike SpecinerActon, Mass. Indeed, it could. The progressive browning of tissue in the eye can end up “acting like yellow-tinted sunglasses,” says Elizabeth R. Gaillard of Northern Illinois University. Moreover, […]

Light Impacts

Depending on when it's encountered, blue light can be more effective than other hues (or even white light) at waking people, setting their biological clocks, and maximizing visual acuity.

19682

While I applaud the work that is looking at the biochemical correlates of aggressive and delinquent behavior, it is important to emphasize that environmental factors still predominate when we are searching for the roots of violence.