Watch a science experiment showing how balloons can float using methane and hydrogen instead of helium. See how hydrogen is ...

SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to explore the physical properties of gases. Seltzer water is carbonated, so it’s full of carbon dioxide gas.

Explore 25 science experiments that defied the laws of physics, revealing mind-bending phenomena that challenge intuition.

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

WHEN Humphry Davy first gave nitrous oxide to people with tuberculosis in the late 1790s, hoping it might provide a cure, he couldn’t have known that he was also playing a small but important part in ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...