Upward mobility has fallen sharply in US: study

In a sign of the fading American Dream, 92 percent of children born in 1940 earned more than their parents, but only half of those born in 1984 can say the same, researchers said Monday.

Researchers invent process to make sustainable rubber, plastics

Synthetic rubber and plastics - used for manufacturing tires, toys and myriad other products - are produced from butadiene, a molecule traditionally made from petroleum or natural gas. But those manmade materials could get ...

Heavy precipitation speeds carbon exchange in tropics

New research by the University of Montana and its partner institutions gives insight into how forests globally will respond to long-term climate change. Cory Cleveland, a UM professor of terrestrial ecosystem ecology, said ...

Simple technique produces stronger polymers

Plastic, rubber, and many other useful materials are made of polymers—long chains arranged in a cross-linked network. At the molecular level, these polymer networks contain structural flaws that weaken them.

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