The tennis brand Wilson began as part of a meatpacking company seeking uses for animal by-products: its first racket strings were made from cow intestines.

The Isle of Man TT is the world's deadliest race. This motorcycle race has been held annually since 1908, and only twice has no one died.

Wind turbines kill up to 100,000 birds annually in the UK. Interestingly, painting one of the blades black can reduce bird deaths by 70%.