<p>Fish have favourite colours and dolphins hate high pitched noises.
In an effort to save rapidly dwindling global fish stocks, scientists are trying to figure out how to attract the right fish into nets, and keep protected species away.
On the southern coast of England, we meet the man who’s designed a hi-frequency gadget which warns dolphins to stay o ... Show More
Aug 19
A Washing Machine Solution
British Sikh engineer, Navjot Sawhney gave up his lucrative career to go and work in India, to use his skills to help solve problems for rural communities. While there, he became fascinated with the problems his neighbour, Divya, was facing while handwashing clothes, sometimes fo ... Show More
22m 59s
Sep 2022
Why are fish fish-shaped?
There are over 30,000 species of fish – that’s more than all the species of amphibians, reptiles, birds and mammals combined. But despite the sheer diversity of life on Earth, we still tend to think of all fish in roughly the same way: with an oblong scaley body, a tail and pairs ... Show More
32m 9s