Each week, we scour the worlds of innovation, tech for good and social impact to bring you seven of our top stories…

1. Researchers at the University of Exeter have successfully developed a machine learning algorithm that uses AI to detect new dementia cases with up to 92% accuracy.
2. The Parker Solar Probe launched by Nasa has become the first spacecraft to officially ‘touch the sun’ by entering the scorching atmosphere of the upper solar layer.
3. Nike has purchased a virtual trainer company called RTFKT to expand its footprint in the fast-growing metaverse by producing ‘digital trainers’.
4. Plans have been set to transform London’s iconic Grosvenor Square into an ‘urban jungle’ that will provide a 15.5% biodiversity net gain benefit and be the second-largest green space in the city.
5. A needle-free trial of the COVID-19 vaccine that could offer ‘wide-ranging protection’ against variants has been successfully developed by scientists at the University of Southampton.
6. Whatsapp has begun rolling out their new real-time transfer of encrypted currency function designed to be as easy as sending messages to users across the US.
7. Scientists have created a species of jellyfish whose nerve cells light up when they fire a neurone response to aid research into brain function and the nervous system.