Pockets, matches, spectacles, postage stamps.

Whether it's the stitches that hold our clothes together or the syringes that deliver life-saving vaccines, small things really do make a big difference. Yet these modest but essential components of everyday life are often overlooked.

Science and comedy writer Helen Pilcher shares the unexpected stories of 50 humble innovations - from the accidental soldering of two bits of metal that created the pacemaker, to the eighteenth-century sea captain whose ingenious invention paved the way for the filming of Star Wars - and celebrates the joy of the small yet mighty.