Paleobiologist Scott Lakeram analyzes 300-million-year-old coal ball fossils to reveal prehistoric plant-insect interactions ...

Discover the hidden snowfall of the ocean—what marine snow is, how it forms, and why it matters for our planet and climate ...

This is an image of smooth muscle electrical activity recorded during fecal pellet propulsion along the isolated mouse colon. Isolated whole colon is shown from a video recording made above the colon.