When environmental chemist David Stone decided to build a “green” greenhouse for his wife, he chose a material he’d invented, an environmentally friendly substitute for cement he calls Ferrock.
By Kathleen McCleery
Car owners have been wincing in recent months as the price of oil has shot up well over the once-unimaginable $100-per-barrel mark. But an economist at Carnegie Mellon University believes that skyrocketing oil prices are a good thing, and will…
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