He wears goggles to protect them from brambles and thistles.

Researchers from the University of Cologne have found a new use for Cnicin, a substance produced in blessed thistle.

Saturday’s tumbleweed takeover of South Jordan is not isolated, but it’s also not a fiendish plan by the invasive Russian thistle to conquer the western United States.

Q: I am wondering why you do not talk more about the benefits of milk thistle for high cholesterol.

"The fascination of glow worms for me is that they are in effect magic," says ecologist Pete Cooper, as he tramples through thistles and nettles.