From X-rays to penicillin antibiotics, this exploration of scientific inquiry celebrates the greatest inventions in medicine. Get to know the scientists responsible for these breakthroughs, and explore science in action.

Scientists invent solutions -- Discovering X-rays by accident -- Invention diagnoses heart disorders -- Frozen technique accelerates treatment -- Portable lifesaver -- Private pregnancy test -- Scientist spotlight -- First anthrax test -- Cacner vaccine saves patients -- AR surgery assistance -- Bedsore scanner -- Timeline -- Glossary.