Anyone who has developed an affinity for sewing or embroidery knows exactly how quickly piles upon piles of empty thread ...

Some histones function as spools for the thread-like DNA to wrap around. Under the microscope in its extended form, chromatin looks like beads on a string. The beads are called nucleosomes.

Let’s get started! Having a thread spool at home is common. Ask your mother to give you an empty spool. Cut it into four equal pieces. If you can’t find a thread spool, you can cut four pieces ...