Scientists reckon the woolly mammoth could be reborn using cloned DNA and an elephant surrogate - despite the species dying out 4,000 years ago. 3D-Printing a new robotic hand - bones included. Space Force secretive X-37B plane launch.

Do not push the button...fear nuke war ‘would kill 300 million’. Also in this episode:

• Inside Sweden’s huge recycling HQ
• Train app’s missing people appeals
• Leonid meteor shower to light up night sky
• Attenborough on rare tragopan bird’s colourful dance

Hosted on Acast. See acast.com/privacy for more information.