The heads of these Brazilian frogs are venomous weapons

Utah State University biologist Edmund "Butch" Brodie, Jr. is among a team of scientists who've made a startling discovery about at least two species of helmeted tree frogs found in regions of Brazil: they're venomous.

What do Americans really think about climate change?

Americans waste little time or ink debating global warming, but what do they really think about it in Peoria? Or Los Angeles? Or any other town, big or small, across the 50 states?

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