Discover how frequency combs, specialized lasers with evenly spaced frequencies, enable precise light frequency comparison ...

Dual-comb spectroscopy performed in the mid-infrared—where molecules have their strongest rotovibrational absorption lines—offers the promise of high spectral resolution broadband spectroscopy with ...

Optical frequency combs, generated by means of self-referenced and stabilized mode-locked lasers, have enabled revolutionary progress in precision optical frequency synthesis and metrology 1,2,3,4.

Taking good care of your hair is essential for making it look its best. We wash and brush our hair regularly and style it to keep it looking healthy and well-kept. An important part of keeping your ...

Brushes and combs are often lumped together when it comes to hair care. Despite their ability to work through knots, they’re not interchangeable, and they don’t serve all hair types and textures ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Christine Cyr Clisset ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Late one summer ...

Researchers knew something strange was afoot at the Marine Biological Laboratory in Woods Hole, Mass., when they spied a ctenophore, or comb jelly—a gelatinous sea creature that resembles a ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. During a dive off the coast of Southern California in 1979, ...