It might look like a comet or a shooting star, but this time-lapse video is actually a tiny plant root, not much thicker than a human hair, magnified hundreds of times as it grows under the microscope ...

A group of international researchers has discovered how plant root hair grows straight and long. Many studies of root hair growth have been performed, however, the molecular mechanism for the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Hair color trends come and go–red hair is particularly hot right now–but even when grown-in roots are ...

Jasmonate is a critical phytohormone that regulates plant development and adaptation to external conditions. In response to an exposure biotic or abiotic stress, jasmonate accumulates in plants, ...

Add Yahoo as a preferred source to see more of our stories on Google. For any woman over 50, gray hair is something we deal with practically on a daily basis — whether struggling to keep the silver ...

Plants have evolved diverse adaptive strategies to optimize the exploration of light and soil resources from their environments. One of the most prominent adaptive responses is the developmental ...

Very few people go to the salon exactly when they’re supposed to for a root touch-up. That’s the issue with dyeing your hair: Your roots look good until suddenly they don’t. If you’ve put off ...

Truly great root touch-up kits don’t just get the job done—they also make your hair feel great. That’s why colorist Buffy Beery of the Calvin Mitchell Salon in Louisville, Kentucky, loves this spray ...