That bright, blue-rich light signals to your brain that it’s definitively daytime, helping to anchor your internal clock and set up a proper sleep-wake cycle.

Blue-light glasses were everywhere a few years ago, promising to save our screen-obsessed society from ourselves.

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Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by ...

Bioluminescence typically occurs in the summer, with prominence along the Space Coast in Brevard County in the Banana River and the northern Indian River Lagoon. The bioluminescence season starts in ...

Blue Light Sources. Americans spend an average of 7 hours a day on electronic devices. That’s a lot of time staring at blue light. Worse yet, nine out of 10 Americans admit to reaching for an ...

The Mystery of Light: Why Earth Is Bright but Space Stays Dark. Posted: June 1, 2025 ... On Earth, sunlight interacts with our atmosphere, scattering light particles and creating a bright blue sky.

Someone in Foster City said they were looking at the sky hoping for shooting stars when they saw “a very bright blue light falling from the sky.” “Way bigger than shooting stars,” they said.

Someone in Foster City said they were looking at the sky hoping for shooting stars when they saw “a very bright blue light falling from the sky.” “Way bigger than shooting stars,” they said.

Light pollution is harming our health. As nights have gotten brighter, the list of health problems linked to artificial lighting has gotten longer, from insomnia to cancer.

Someone in Foster City said they were looking at the sky hoping for shooting stars when they saw “a very bright blue light falling from the sky.” “Way bigger than shooting stars,” they said.