March 16, 2009 |
Teas from across the globe are becoming more and more popular in the U.S. One relative newcomer, yerba mate, is attracting fans for its allegedly jitter-free caffeine boost and high antioxidant content. Lab research suggests some potential health benefits from drinking yerba mate, but studies of lifelong yerba mate drinkers in the tea's native South America suggest the brew increases the risk of some cancers -- a fact most marketing campaigns omit.
March 5, 1987
Calcium supplements, once believed harmless insurance against osteoporosis, can actually contribute to poor bone development by blocking the absorption of manganese, a key trace element in bone development. "There is a manganese absorption problem associated with the use of calcium supplements, especially in large doses," said Constance Kies, Ph.D., who works at the University of Nebraska, Lincoln, and with the Dairy Council of California.
CALIFORNIA | LOCAL
March 25, 2012 |
Behind the bolted steel doors of an old brick warehouse, Big Wes meets a nutrient company scientist to see if he can increase his crop yield. Rows of hydroponic marijuana plants soak up solution flowing through plastic troughs and light blazing from high-pressure sodium lamps. Big Wes has spent more than half his life calibrating his system of growing high-grade marijuana to its utmost efficiency. At 50 years old, he harvests a crop of dozens of plants every week from five rented warehouses scattered along the rutted streets and alleys around the docks of Oakland.
CALIFORNIA | LOCAL
October 25, 2004 |
As an inventor, he was not a household name. But Lewis Urry's unsung achievement nearly half a century ago transformed the way we live and helped usher in a world of cordless electric razors, camcorders, cellphones, laptop computers and Walkmans.
January 22, 1985 |
Norway will cut imports from South Africa by 50% this year because of Pretoria's policy of apartheid, Commerce Minister Asbjoern Haugstvedt said in an interview published today. Norway has come under pressure to take action on growing trade with Pretoria since the Nobel Peace Prize was awarded in December to black anti-apartheid campaigner Bishop Desmond Tutu. South Africa's main export to Norway is manganese ore.