Biology - Topics

How do antibiotics work and why is resistance rising? Why are bees so important to our food supply? Set point theory: does your body have a weight thermostat? What is DNA and what can it tell us? What is the oldest living thing on Earth? Metabolic adaptation: why your body fights weight loss Why do chameleons change color? How does the human immune system fight viruses? The microbiome: the trillions of microbes living in you How did life begin on Earth? How do vaccines actually work? Why do we age? The biology of getting old How do antibiotics become useless? Understanding resistance What is the difference between a virus and bacteria? Why do onions make us cry? What are stem cells and why are they controversial? How do vaccines work? How does the immune system fight viruses? Why do mitochondria still carry their own DNA? Is there progress in evolution or is that a human illusion? Where the exceptions to biological rules actually come from Gloger's rule links pigmentation to humidity Information theory shows up in genetics — the genome read as a coded message Deep sea biology runs into permits and international waters long before it runs out of questions Allen's rule and the ears of desert animals Teaching biology without lab access: what gets lost? Bringing a deep sea specimen to the surface intact is a biochemical problem in itself How memory is physically stored at the synapse Why grocery stores now sell probiotics with questionable evidence Why biology has far fewer laws than physics Why a rule in biology usually means a statistical tendency rather than a law Bergmann's rule: why animals in cold climates are bigger