Trees cover rock, eventually: Study maps how bare Georgia bedrock turns into forest

In the forests of the southeastern United States, dense tree cover dominates most landscapes. That's why the Appalachian Trail is sometimes nicknamed "The Green Tunnel." But avid hikers know that ...

Investigating the 61-pound machine that eats plastic and spits out bricks

By bricking your plastic, the company claims it’ll no longer jam recycling equipment the way individual plastic bags often do. Just feed your plastics into this 61-pound bin and ...