Working the Amazon soil
Earth scientist Claudia Czimczik digs in Peru for new dirt on global warming.
Claudia Czimczik is deep in the Amazon rainforest, digging soil from the bottom of a muddy pit. She rolls the dirt between her fingers to feel its texture.
“If you can make it thinner than a pencil, it has a lot of clay. If it breaks apart right away, it’s sandier,” says Czimczik, recalling her 2001 trip to Peru, during which she collected soil for an international study.
Published March 6 in the journal Science,...
