I Used to Know That: General Science

For those whose memories of learning science at school consist of burning magnesium and playing with iron filings and a magnet, and whose brains shut down as soon as things start to sound ‘too technical’, I Used to Know That: General Science is here to remind you of everything you’ve forgotten or should have learned. You may not be studying for an exam any more, but an understanding of basic scientific principles is essential in everyday life, from choosing which vitamins to take to deciding on