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What Drove Early Man Across Globe? Climate Change

Some of the biggest human migrations coincided with major changes in climate, according to a new analysis. Researchers say early humans set out in search of climates where more food was available. And some populations stayed put in certain locations because barriers like glaciers blocked their progress.

Shriveled Mich. Apple Harvest Means Fewer Jobs, Tough Year Ahead

After a mild winter and a late-April freeze, Michigan's apple harvest was decimated. Less fruit means fewer picking jobs. It also means little to no income from apples in storage that growers rely on to get them through to next year's harvest.
WAMU 88.5

Maryland Seeks Help Naming Streams

An advisory board is seeking help to name six streams in Maryland.


Field Trip To A Fungi Foray

What happens at the Northeast Mycological Federation Foray? "Mushrooms only," according to attendee Gary Lincoff, an instructor at the New York Botanical Garden and author of The Audubon Society Field Guide to North American Mushrooms. Science Friday stopped by the conference for mushroom talk, mushroom crafts, mushroom eats and a mushroom hunt.

Wind Power Plentiful, Study Says

Wind energy could theoretically meet all the planet's energy needs, says a paper published in Proceedings of the National Academy of Sciences. Mark Jacobson, one of the report's authors, and Liz Salerno of the American Wind Energy Association discuss wind power in the US.

Gorillas And Guerrillas Share The Troubled Congo

Virunga National Park in the Democratic Republic of Congo is home to 200 endangered mountain gorillas, about a quarter of the world's total. In recent months, a new insurgent group has taken over gorilla habitat. Despite it all, the gorilla population has been rising.
WAMU 88.5

Montgomery County Bans Road Sealants With Harsh Chemicals

Road sealants containing potentially hazardous chemicals are now banned in Montgomery County after the county council passed a bill prohibiting the substances. 


Arctic Ice At Lowest Level In Decades

Ice covering the Arctic Ocean is at its lowest levels in decades, or quite possibly centuries. The new low has smashed the previous record, set in 2007. Scientists blame a long-term warming trend in the Arctic, and say that the change could alter weather patterns throughout North America and Europe.