The film explores the diverse ecosystem of freshwater ponds, showcasing various animals and plants that inhabit these environments. It highlights easily observable creatures like muskrats, turtles, ...

The original version of this story appeared in Quanta Magazine. Once upon a time, long ago, the world was encased in ice. That’s the tale told by sedimentary rock in the tropics, many geologists ...

When seawater gets cold, it gets viscous. This fact could explain how single-celled ocean creatures became multicellular when the planet was frozen during “Snowball Earth,” according to experiments.