Posts Tagged ‘selenium’
Fertilizer adds selenium to Malawi food crops
U. NOTTINGHAM (UK) — Soil in Malawi often lacks enough selenium for adequate nutrition, according to researchers who say enriched fertilizer could raise levels of the mineral in the country’s food. Continue…
Wednesday, March 13, 2013 10:27 - 0 Comments
Health & Medicine - Feb 1, 2013 14:39 - 0 Comments
Small risk, no reward for extra selenium
U. WARWICK (UK) — For well-nourished adults, current evidence indicates that selenium supplements don’t help prevent heart disease. (more…)
Earth & Environment - Oct 16, 2012 11:12 - 2 Comments
Arsenic from coal ash pollutes water sources
DUKE (US) — Scientists have found arsenic and other toxic elements—in levels beyond EPA guidelines for safe drinking water—in lakes and rivers downstream from coal-fired power plants’ settling ponds.
Health & Medicine - Jun 21, 2012 11:59 - 1 Comment
Selenium keeps staph bacteria off implants
BROWN (US) — A coating of selenium nanoparticles significantly reduces bacteria growth on polycarbonate, a material common in implanted medical devices. (more…)
Health & Medicine - Dec 7, 2011 10:54 - 0 Comments
New sugar may prevent heart disease
U. MELBOURNE (AUS) — A new type of sugar that includes selenium could help prevent heart disease by shutting down tissue-damaging acids, researchers say. (more…)
Science & Technology - Jul 20, 2011 10:55 - 0 Comments
Quantum dots leak toxic guts
U. BUFFALO (US) — In their afterlife, quantum dots made from cadmium and selenium release toxic ions into the earth within 15 days of entering the soil. (more…)
Earth & Environment - Jun 9, 2010 15:08 - 0 Comments
Using supercomputers to clean up coal
STANFORD / U. TEXAS-AUSTIN (US)—Pollution control devices known as scrubbers, installed to restrict the amount of nitrogen oxide and sulfur dioxide release from coal-fired power plants, may have helped to reduce acid rain, but they haven’t made those plants safe. (more…)
