Recording the pH within decaying organs for the first time, researchers come closer to understanding why some soft tissues are more likely to be preserved as fossils than others.
Host vouchering, the practice of preserving species known to harbor infectious diseases, can be used to help determine a pathogen’s source, scientists say.
Zoologist John Gould undertook a financially risky expedition to document the birds of Australia—and found some unique mammals in a perilous situation.