Nearly 17% of the world’s croplands are contaminated with “heavy metals”, according to a new study in Science. These contaminants – arsenic, cadmium, lead, and others – may be invisible to the eye, ...

A new study found that brewing tea can remove toxic heavy metals like lead and cadmium from drinking water by adsorbing them onto the leaves and bags. Researchers said steeping time plays a major ...

That comforting hot cup of tea—or refreshing glass of iced tea on a hot summer day—could help reduce the amount of toxic metals in drinking water, according to a new paper published in the ...

"Ten parts lead per million is obviously incredibly toxic," Shindel said. "But with lower concentrations of lead, tea leaves should remove a similar fraction of the metal content in the water.

Many of these persistent metals can jeopardize biodiversity, water quality, crop yields and food safety, via bioaccumulation in farm animals. “Global soil pollution by toxic metals has been ...

The study, published Feb. 24 in ACS Food Sciences & Technology, found that tea can remove toxic heavy metals like lead and cadmium from drinking water. The substances were adsorbed (became stuck ...