Following his work on the world's smallest tiny house, YouTuber Levi Kelly is back with another exercise in extreme downsizing. This time, he’s created what he calls the world's smallest mobile tiny ...

The world’s tiniest pacemaker — smaller than a grain of rice — could help save babies born with heart defects, say scientists. The miniature device can be inserted with a syringe and dissolves after ...

A 2.5-square-foot plot of grass in Japan has snatched the Guinness World Record for the smallest ever park. The micro-park — barely larger than two New York Post front pages — is in Nagaizumi about an ...

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, ...

Physicists at Loughborough University have used cutting-edge nanotechnology to create what they believe may be "the world's smallest violin," which is small enough to fit within the width of a human ...

How does one of the world's smallest countries qualify for the biggest sporting event on Earth? This journey explores the ...