earth3 小时
Amphibian fossils found in burrows reveal ancient survival strategies
A recent study describes a new species of fossil amphibian preserved in torpedo-shaped burrows 230 million years ago.
Over 500 fossilized poops show how dinosaurs came to rule the Earth
The analysis of hundreds of fossilized droppings (plus a little bit of petrified vomit) from roughly 230 million years ago ...