Researchers found that compounds in black and green tea leaves acted like “little Velcro” hooks on lead molecules. By Alexander Nazaryan Tea leaves pull heavy metals from water, significantly ...

“We’re not suggesting that everyone starts using tea leaves as a water filter,” said co-author Vinayak Dravid, who studies sorbent materials at Northwestern University. “Our goal was to ...

Vinayak Dravid (right), professor of materials science at Northwestern University, oversaw a team of scientists that discovered tea leaves can absorb and filter out harmful metals, including lead.

Green tea is attained from tea leaves picked during spring. The tea is novel in that it is the most minimally oxidated of all teas, with the leaves dried shortly after being picked and then pan ...

A farmer shows newly-picked tea leaves at a tea garden of an agricultural demonstration park in Wuzhong District, Suzhou City, east China's Jiangsu Province, March 17, 2025. Harvest season for ...