Chlamydia pneumoniae—a common bacterium that causes pneumonia and sinus infections—can linger in the eye and brain for years ...

Living on Mars, humans would experience just 38% the gravity of Earth and would be exposed to much more radiation. These two ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, minerals altered by water, and other geological traces indicate that the R ...

You can tell a lot about a material based on the type of light you shine at it: Optical light illuminates a material’s surface, while X-rays reveal its internal structures and infrared captures ...

Parts of the ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought. New research led by scientists at the University of Wisconsin–Mad ...

Our last video about Mexican Coke made a bold claim: that Mexican Coke has no (unhydrolyzed) sugar in it. Two chemistry professors called us on that claim, so George visited them to ru ...

We know that Einstein’s general relativity is, strictly speaking, wrong. That’s because it doesn’t account for quantum effects despite the fact that those e ...

Doctors have found that metformin, an everyday medicine for diabetes, is associated with less progression of age-related ...

Transgender women might have more muscle mass than cisgender women 1 to 3 years after hormone therapy, but their physical ...

The social scientist Arthur Brooks dedicates his time to studying happiness. And upon reading Jung’s interview he was struck ...

Exploring Earth’s deep interior is a far bigger challenge than exploring the solar system. While we have travelled 25 billion km into space, the deepest we have ever gone below our feet is just ...

In 2023, a subatomic particle called a neutrino crashed into Earth with such a high amount of energy that it should have been impossible. In fact, there are no known sources anywhere in the universe c ...