Rows of sunglasses often advertise “UV400” or “polarized,” with prices ranging from $15 to $300. Much of this language sounds like marketing designed to upsell rather than inform. Eyes, however, are ...

Glowing bats may sound like Halloween decor, but researchers in Georgia have discovered certain species of North American bats that are capable of the unusual trick. When placed under ultraviolet ...

Ultraviolet light causes damage to DNA, leads to cancer and photoaging: age spots and wrinkles. I was curious about this because UV is technically non-ionizing. A photon of UV doesn't have enough ...

Autumn is here, and depending on where you live in the world the days are getting shorter and the mornings and evenings are darker. For me, at home in the UK, I now leave the house in the dark to make ...

(CNN) — Glowing bats may sound like Halloween decor, but researchers in Georgia have discovered certain species of North American bats that are capable of the unusual trick. When placed under ...

Why does the Windows install get stuck? It’s hard to say accurately, but most of the time, it’s because it’s waiting for something so it can move into the next stage of installation. Sometimes it’s an ...

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