Small Inventions That Made a Big Difference

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 w...