Did Edison accidentally make graphene in 1879?

Rice University chemists replicated Thomas Edison’s seminal experiment and found a surprising byproduct. Graphene is the thinnest material yet known, composed of a single layer of carbon atoms arranged in a hexagonal lattice. That structure gives it many unusual properties that hold great promise for real-world applications: batteries, super…

Watch a robot swarm “bloom” like a garden

The Swarm Garden: An array of modular robot agents that adapt to changing conditions for living architecture. Researchers at Princeton University have built a swarm of interconnected mini-robots that “bloom” like flowers in response to changing light levels in an office. According to their new paper published in the…

Meet Veronika, the tool-using cow

Veronika uses sticks to scratch herself, suggesting scientists have underestimated cow cognition Far Side fans might recall a classic 1982 cartoon called “Cow Tools,” featuring a cow standing next to a jumble of strange objects—the joke being that cows don’t use tools. That’s why a pet Swiss brown cow…