The energy state of an atom is denoted by its principal quantum number, designated n, which defines the probability of ...

The test subject that produced the first 3D magnetic resonance image was quiet and a bit hairy. Tough on the outside, the patient was a big softie at heart. It was also not human. Nobel Prize-winning ...

The Science History Institute preserves and interprets the history of chemistry, engineering, and the life sciences. During a ceremony in Philadelphia on June 10, the American Chemical Society ...

March 31 isn’t just the last day in March. It is also a day of scientific discovery. Ranging from tragedies and innovations in aircraft technology to multiple advancements in space travel, the science ...

An exhibit at Philadelphia's Science History Institute looks at food science through the lens of the school lunch program. (Emma Lee/WHYY) From Philly and the Pa. suburbs to South Jersey and Delaware, ...

Science occasionally gives us clearer views of the distant past. This year, researchers opened windows into the life and times of ancient Romans, impressionist painters and other towering historical ...

PHILADELPHIA, Pennyslvania (WPVI) -- In Old City, this exhibit is taking us back to school, and back in time. The Science History Institute's newest display discusses the history of lunchtime. "What ...

If you've got kids in tow, plan on stopping by the Museum of Science & History, formerly known as the Pink Palace Museum. Housed in a flamboyant pink mansion constructed by supermarket tycoon Clarence ...