Here’s how it works. A scientific hypothesis is a tentative, testable explanation for a phenomenon in the natural world. It's the initial building block in the scientific method. Many describe ...

Does that exchange sound familiar? A debate that starts with testable factual statements, but then, when the truth becomes inconvenient, the person takes a flight from facts. As public debate ...

If a theory doesn’t make a testable prediction, it isn’t science. It’s a basic axiom of the scientific method, dubbed “falsifiability” by the 20th century philosopher of science Karl Popper.