A new look at cuts on a giant kangaroo bone reveal First Peoples as fossil collectors, not hunters who helped drive species extinct, some scientists argue.
Squiggly markings like a punk rock hairdo led researchers to identify the remains as spongelike animals that may have lived around 560 million years ago.
Definitively dating the age of a clutch of fossil dinosaur eggs at a famous site in China may let scientists link eggshell features to environmental shifts at the time.