current

And that could mean trouble.

It's safe for humans, but bad for bugs

Small colonies of swimming magnetic particles can self-assemble into micro-machines that can manipulate other particles, scientists report. The particles can … Continued

Looking for a source of renewable electricity? Researchers at the University of Toronto have found some serious current emanating from … Continued

A short circuit on a large scale

Tens of millions of starfish-like creatures live side by side on an underwater mountain.

With a battery and a can of soda, you can anodize the surface of titanium to create colors that will last forever