Fun materials: fluids that become more solid when stressed, materials that get thicker when stretched, etc. With videos.

There’s a middle ground on global warming?

The hardest puzzle game I’ve ever played.

I do so love TED Talks. Here’s two new ones: Robert Neuwirth on squatter cities: the cities of the future and, even better, Bjorn Lomborg on prioritizing the world’s biggest problems.

Here’s video of an incredibly brutal professional fight.