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Take Light, Not Drugs
How light therapy can treat disorders from depression to Alzheimer’s disease.
Why Light Inspires Ritual
For Aboriginal cultures, light is a physical and spiritual guide.
Losing His Sight, a Scientist Sees an End to a Deadly Disease
Bill Jacobs lights the way to better tuberculosis drugs.
The Lightning Beneath Our Feet
The strange lights that occur before earthquakes may originate underground.
Why the U.S. Military Is Into Bee Brain Surgery
Bees might hold the secret to a new kind of nighttime navigation.
Looking for a Second Earth in the Shadows
Scientists are blocking out the light of distant suns to look for life.
Lights, Camera, Acrimony!
Physicists and engineers face off over how to make room for more data.
Falling in Love With the Dark
One astronomer has taken to U.S. National Parks to rekindle an old romance.
The Glassmaker Who Sparked Astrophysics
His curious discovery, 200 years ago, foresaw our expanding universe.
The Billion-Dollar Telescope Race
How three groups are competing to make the first extremely large telescope.