Galleries / 3-D Scanning: How to Put the Real World Into Your Computer

A small town in Saxony has figured out how to run entirely on biomass—and create an energy surplus.

From Burmese pythons to Galapagos goats, these animals are threatening a hostile takeover—unless we can stop them.

Nuclear fusion reactors, particle colliders, and other big-science rely on giant magnetic fields. But nature's most powerful magnets blow even our best efforts away.