Gadgets & Gizmos: Twitter, Delaying ageing, dementia & Parkinson's and a less-than-cuddly robot dog

Steve Caplin on the latest tech news. There's Twitter rebranding, scientists working out how to reverse ageing and ward off dementia and Parkinson's, the Australian military investing in computer-capable brain cells, injured knee tendons being replaced with those from kangaroos, DNA storing data with a biological camera, a relatively inexpensive robot dog that lacks cuddliness and a crowd-funded e-scooter with a more comfortable riding position. Learn more about your ad choices. Visit podcastchoices.com/adchoices