Multimedia

Infographic: Breaking into the Brain
Infographic: Breaking into the Brain

The blood-brain barrier is a collection of specialized cells and proteins that control the movement of molecules from the blood to the central nervous system.

Fire Ant Rafts
Fire Ant Rafts

The invasive insects weathered extreme climatic conditions by banding together and riding out Hurricane Harvey's flood waters.

Memory Master
Memory Master

Four-time USA Memory Champion Nelson Dellis reveals some of his memory-training tactics.

Introducing Batman
Introducing Batman

Daniel Kish, who is blind, uses vocal clicks to navigate the world by echolocation.

Spider Silk
Spider Silk

Kraig Biocraft Laboratories has genetically engineered a silkworm to spin spider silk, which might be used for futuristic products.