News tagged with toxic metals

The five most poisonous substances

With the announcement of an inquiry into the murder of Alexander Litvinenko, talk of poisons is back in the news. There are many articles with lists of the most poisonous substances, which are often gathered based on their acute toxicity as measured by something called LD ...

Jul 29, 2014
4.6 / 5 (10) 7

Predicting bioavailable cadmium levels in soils

New Zealand's pastoral landscapes are some of the loveliest in the world, but they also contain a hidden threat. Many of the country's pasture soils have become enriched in cadmium. Grasses take up this toxic heavy metal, ...

Apr 15, 2014
5 / 5 (1) 0

Bugs and slime to clean poisoned water

Australian scientists have developed a way to clean up the potentially deadly arsenic that pollutes the drinking water of tens of millions of people around the world.

Sep 16, 2013
not rated yet 0

'Save our kids from computer toxics' scientists warn

An international scientific expert has called for an urgent global effort to save the coming generation of children from being poisoned by toxic residues from the world's ever-growing garbage pile of old mobile phones, computers ...

Sep 16, 2013
5 / 5 (1) 1

Designing a cleaner future

A slum on the outskirts of Accra, Ghana, received major media attention in 2010 and 2011 when the outside world realized where computers go to die. In an area called Agbogbloshie, impoverished residents were ...

Jul 02, 2013
4.8 / 5 (4) 0

Microwave oven cooks up solar cell material

University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap, abundant and less toxic metals than other semiconductors. They hope it will be used ...

May 06, 2013
4.5 / 5 (14) 1 | with audio podcast