When sodium vapor street lamps were replaced by LEDs, soft yellow light was replaced by crisp white. But the change to purple was never supposed to happen.

As Prime Day winds down, we’ve stopped our up-to-the-minute updates to this article. Many of these deals are surely still ...

Well-designed lighting lets people see at night while reducing negative impacts of artificial light on pollinators and birds.

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A team of researchers led by Prof. Jiang Changlong from the Hefei Institutes of Physical Science of the Chinese Academy of ...

This edition of the Happy Homestead talks about raising your own laying hens from hatching all the way up to full grown hens ...

Book lovers, Prime Day is serving up all kinds of incredible Kindle deals, but if you've been lusting over the new Colorsoft, ...

Two of the five people who went missing amid torrential rain that hit Zhaotong, a mountainous city in southwest China's Yunnan Province, have been confirmed dead as of 6:40 pm Thursday, according to ...

White, who describes herself as an “abstract naturalist,” will present her vision of the world in a new exhibition at the ...

In one sense, it’s odd to associate any firefly with youth, for by the time we see them lighting up our nights, they are ...

Whether you’re looking for help with occasional projects or want to take on more complex projects like molding or furniture, these bulletproof power tools won't let you down.