It might look like a poorly drawn picture of an alien, but this is actually one of the most advanced types of skin ever made – that can even stop bullets.

Researchers genetically engineered goats to produce milk which is packed with the same protein as silk spiders.

Once this is milked out it can be spun out and weaved into a material that is ten times stronger than steel.

The fabric can then be blended with human skin to make what the scientists hope will be tough enough to stop even a bullet.

Bulletproof: Researchers genetically engineered goats to produce milk packed with the same protein as silk spiders, which is then milked out and spun and weaved into a material that is ten times stronger than steel

Read more