In 1950, policemen were stumped by the appearance of slimy, luminescent blobs on Earth. Years later, when scientists find a similar substance in space, it leaves experts wondering if the blobs were an alien species. Watch more NASA's Unexplained Files on discovery : https://bit.ly/38TZSzs | Love Space

5.1K views · 53 reactions |  Calling all teachers  BBC Learning...

49K views · 578 reactions | These worm blobs can untangle themselves in milliseconds – and scientists think that can help them develop better robots. More about the science of worms: https://www.bbc.co.uk/sounds/play/w3cszv5w | BBC World Service | Facebook