Belly button lint is made of clothing fibers, hair, and dead skin cells
Likes
More Like Discover
The life of Edith Cavell
A pioneering nurse and heroine of World War I…
SUPER SCIENCE TOYS FROM 4M!
These fun science toys from 4M are perfect for Science Week (10–18 August)!
Science with Dr Karl: Running on time!
Time with Dr Karl…
Max in the Land of the Pharaohs!
Join Max the time-travelling mouse in our Mini Histories Comic…
