Add Yahoo as a preferred source to see more of our stories on Google. The world’s smallest park in Nagaizumi, Japan. - Guinness Worlds Record If you want to take a stroll around this park in Japan, ...

Discover the 25 smallest things in the world, from tiny birds to microscopic bacteria. Prepare to be amazed by these ...

We may receive a commission on purchases made from links. Engineers at Northwestern University have developed the world's smallest pacemaker. It's so small, as a matter of fact, that it fits inside ...