Think you know the difference? Some people try to attack things like evolution by natural selection and man-made climate change by saying “Oh, that’s just a THEORY!” Yes, they are both theories. Stop ...

What if everything we know about the world is just a simulation? This thought-provoking question has been at the center of the Simulation Theory, a concept that has become increasingly popular in ...

Learn how the Linder Hypothesis connects similar income nations through trade, its demand-based theory, testing obstacles, and its economic impact.

Imagine Homo erectus, a now-extinct species of hominids that stood upright and became the first of our ancestors to move beyond a single continent. Around two million years ago, these hominids, some ...

Almost as soon as it was floated in 1965 by Harvard psychiatrist Joseph Schildkraut, the serotonin hypothesis of depression—reduced and simplified by pharma marketing to the “chemical imbalance” ...

Research and statistical analysis help us understand how the world works, how effective medications and treatments are, what influences our health, the best approach for business practices, and much ...