Light Pollution 101 | National Geographic

Light Pollution 101 | National Geographic

– [Narrator] The invention of the electric light bulb, 150 years ago, was one of the most transformative milestones in history. This new form of light, artificial light, brightened and made safe once-dark streets, prolonged waking hours into the evening, and brought electricity into homes...

Algae “See” a Wide Spectrum of Light

Algae “See” a Wide Spectrum of Light

Phytochromes are pigmented proteins that are light sensors, like eyes, in plants. And they function to allow plants to respond to the different environments and to thrive in, what, shade versus full sunlight. Well, we were very interested in where did phytochrome come from. So...