New method uses artificial intelligence to study live cells

Researchers at the University of Illinois Urbana Champaign have developed a new technique that combines label-free imaging with artificial intelligence to visualize unlabeled live cells over a prolonged time. This technique ...

Gentler, safer hair dye based on synthetic melanin

With the coronavirus pandemic temporarily shuttering hair salons, many clients are appreciating—and missing—using hair dye to cover up grays or touch up roots. Whether done at a salon or at home, frequent coloring, however, ...

Hair dye is toxic – could natural alternatives be made to work?

Do you really know what you're putting on your hair? Many hair dyes you can buy in the shops or hairdresser contain toxic chemicals that can cause skin problems or even increase the chances of DNA mutations (a potential cause ...

New dyes detect disease through heartbeat signals

Vibrant tones of yellow, orange, and red move in waves across the screen. Although the display looks like psychedelic art, it's actually providing highly technical medical information—the electrical activity of a beating ...

Wood filter removes toxic dye from water

Engineers at the University of Maryland have developed a new use for wood: to filter water. Liangbing Hu of the Energy Research Center and his colleagues added nanoparticles to wood, then used it to filter toxic dyes from ...

Flexible polymer opals

A synthetic material which mimics the brightest and most vivid colours in nature, and changes colour when twisted or stretched, has been developed by researchers at the University of Cambridge, and could have important ...

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