Can you measure the weight of a human soul? No, but that didn’t stop Duncan MacDougall from trying.

Explore 25 human experiments too disturbing to ignore. From Tuskegee to Nazi camps, discover the shocking medical atrocities ...

Modern humans continue to be drawn to crystals, sometimes attributing healing or spiritual powers to them. But this study, ...

Experiments aboard Orion are capturing insights about astronaut health that were never recorded during the Apollo program.

Before today’s strict ethical standards was a darker past of unethical human experiments carried out in the name of ...

In a world that demands constant decision-making, your ability to adapt—whether acting alone or with others—matters more than ever. But how do people actually strike that balance between doing things ...

Between 1919 and 1920, John B. Watson and Rosalie Rayner conducted a controversial experiment at Johns Hopkins, conditioning ...