Eyes with lower pigment (blue or grey eyes) don’t need to absorb as much light as brown or dark eyes before this information reaches the retinal cells. This might provide light-eyed people with some resilience to SAD.

Light carries with it the secrets of reality in ways we cannot completely understand.

Without a solid understanding of the factors that affect the transfer of learning, the gulf between training and job performance is difficult to bridge.

Wizbang innovations capture the public’s imagination, but thoughtful, incremental development is often more valuable to those in need.

We don’t know when or how music was originally invented, but we can now track its evolution across space and time thanks to the Global Jukebox.