It's the initial building block in the scientific method. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A scientific hypothesis is a tentative, ...

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. General ...

Earlier this month, a large-scale replication project underscored just how hard it is to repeat results in published papers. Over my three decades running a basic-biology laboratory, I have ...