![Passiflora foetida flower [CC-BY-3.0 Alex Lomas]](https://www.polypompholyx.com/wp-content/uploads/2015/08/Passiflora_foetida_flower-300x295.jpg)
All science is either physics or stamp-collecting. This rather mean-spirited dismissal of chemistry and biology as “stamp-collecting” is attributed to Ernest Rutherford, the physicist usually (not wholly fairly) credited with discovering the atomic nucleus and the proton. Shortly after Rutherford’s death in 1937, particle physicists discovered the muon, pi mesons, kaons, the electron neutrino, the anti-proton, the lambda baryon, xi cascades, and …