The clumps of discarded hair on the salon floor could one day help to grow your lunchtime salad, thanks to scientists from Nanyang Technological University, Singapore (NTU Singapore), who have created the growth medium used in urban farming – known as hydroponics substrates – using keratin extracted from human hair.
In hydroponics, crops are grown …
Positive News Foundation is a certified non-profit sharing only the best positive world news.
All copyrights belong to the source.
Source image: Jo_Johnson / Pixabay
Original title: Hair finds new roots as urban farming growth medium