You enter the laboratory and see an experiment. How will you know which class is it?… If it’s green and wiggles, it’s biology… If it stinks, it’s chemistry… If it doesn’t work, it’s physics. We have to stop talking about mitosis… It’s such a divisive issue. What kind of chain is edible?….A food chain! Did you hear about the famous microbiologist who traveled in thirty different countries and learned to speak…