Laser levels are indispensable for ensuring measurement accuracy. We tested the best-selling models—see how they fared.

Laser engraving has become a new hobby of mine as of late. I've been tinkering around with blue diode lasers that can engrave ...

All the best beauty tools of 2025, featuring radiofrequency, microcurrent, and LED technology (plus more) that bring ...

This study shows that excitatory cholecystokinin (CCK)-expressing neurons in hippocampal area CA3 influence hippocampal-dependent memory using multiple methods to manipulate excitatory CCK-expressing ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...