Glaciers ‘bulldozed’ snowball Earth and changed ocean chemistry, paving the way for complex life, scientists say
Glaciers once inched toward the sea, gouging rocks. When the ice masses melted, they infused oceans with nutrients that may ...
Fossils Reveal the Jaw-Dropping Origins of Human Mobility
The ability of our skeletons to move with both flexibility and stability can be traced back to ancient jawed fish. Scientists studied modern cartilaginous fish, such as sharks and skates, and compared ...