Scientific fieldwork that happens underground and underwater in spectacular but dangerous caves opens a window on a largely unknown world.
Rats foul our food, spread disease and damage property, but we know very little about them. A biologist explains how he tracks wild rats in New York City, and what he's learned about them so far.
Cultural resource management archaeologists don't choose where they dig. Instead they identify, evaluate and preserve cultural heritage sites in locations slated for development.
Giulio Regeni, a PhD candidate at the University of Cambridge, was carrying out research on the formation of independent trade unions in post-Mubarak Egypt.
They're the soil-builders that allow Africa's arid savannas to be lush grasslands. What do they do inside their huge mounds – and how does a collective mind allow them to do it?
Geomagnetic storms can interact with particles near Earth, causing issues for satellites and other tech. Researchers send balloons 20 miles into the sky to figure out just what's going on up there.
The way sea lions swim is unique among fish and marine mammals. Their technique provides a biomechanical model to design agile underwater vehicles... but first we have to figure out how they do it.