Scientists prepare to study Amazon’s “time capsules”
Samples collected from the forest's subsoil hold precious clues about the biome's past, now being analyzed through a global effort involving Brazil, the United States, Germany, Panama and researchers from nine other countries
Samples collected from the forest's subsoil hold precious clues about the biome's past, now being analyzed through a global effort involving Brazil, the United States, Germany, Panama and researchers from nine other countries 
