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

1. Beauty brand Garnier is aiming to reduce water usage with its first mass market no-rinse conditioner, where every tube of conditioner will save 100 litres of water.
2. A solar powered ‘Superyacht’ can go from sailing the seas to flying high in the skies as Italian designer ‘Lazzarini’ creates an extravagant ‘air yacht’.
3. British scientists create a revolutionary skin cancer test that is able to predict the spread of the disease.
4. Israeli researchers teach goldfish to drive a tank on wheels in an animal behaviour study.
5. Pasta straws and cutlery could help reduce single use plastic usage as a more environmentally friendly solution.
6. Researchers and engineers from various parts of America have collaborated to create Facebit – a ‘smart facemask’ which can monitor heart rate, respiration and wear time.
7. And finally, electric knee implants can better the life of those who live with arthritis as bioengineers develop a tiny mesh for cartilage regrowth.