Scientific Principle
The process by which heritable variation, differential reproduction, and natural selection drive cumulative change over time. The principle applies most precisely in biology but appears in analogous forms wherever variation and selection act on replicating systems.
Other principles
Most butterflies live a few weeks. One tropical genus lives nearly a year and barely ages. The reason isn't a single trick but a whole package of traits that evolved together, and it changes how we think about aging itself.
Colossal made three white wolves howl a sound unheard for 10,000 years, and called it de-extinction. The harder questions are what counts as bringing a species back, and whether the wolf was ever really the point.
The most famous line in Jurassic Park is biologically backwards. Tyrannosaurus Rex had a stereoscopic visual field wider than a hawk's, visual acuity roughly 13 times sharper than a human's, and depth perception comparable to a military rangefinder. Standing still would not have helped. The science of how we know, drawn from the geometry of the skull itself.
The plant-based movement faces a cultural barrier that engineering cannot solve. Precision fermentation bypasses the debate entirely and will succeed not through moral persuasion but through the same economic logic that ended every previous paradigm shift in food.
A cow converts roughly 4% of its feed into usable protein. Precision fermentation bypasses the animal entirely and produces identical protein in a steel tank. Lars Horsholt Jensen explains why this shift will not happen through consumer choice but through economics.