News tagged with dioxide materials

Thawing tundra a new climate threat

(PhysOrg.com) -- A significant source of greenhouse gases has started leaking into the Earth's atmosphere from an unlikely place. Above the Arctic Circle, land frozen for tens of thousands of years has begun ...

Jan 20, 2012 4.2 / 5 (15) 11

Diamonds and dust for better cement

(PhysOrg.com) -- It's no surprise that humans the world over use more water, by volume, than any other material. But in second place, at over 17 billion tons consumed each year, comes concrete made with Portland ...

Dec 12, 2011 4.5 / 5 (2) 1 | with audio podcast