For all the deference to “laws” of nature that supposedly govern everything that happens, the truth is that randomness rules the world. Everywhere you look, randomness is at work, in all the processes ...

In contrast to classical theory, quantum theory has the remarkable property that the state space of every system has continuously many pure states. These are states that can be seen as states of ...

Human behavior is an enigma that fascinates many scientists. And there has been much discussion over the role of probability in explaining how our minds work. Probability is a mathematical framework ...

The conjunction and disjunction fallacies are famous for revealing the limits of human reasoning about probability. This can be measured by telling people a short story about a character and then ...

Classical probability theory assumes an equal likelihood for all outcomes. For example, if you were to flip a coin, there's an equal change of it landing on "heads" or "tails." Microsoft Excel offers ...

The next time someone accuses you of making an irrational decision, just explain that you're obeying the laws of quantum physics. A new trend taking shape in psychological science not only uses ...