Rodney H. from Texas writes (with a few of my added comments): “Sorry about being picky, but as a retired chemist, I just wanted to set the record straight about the differences between atoms and ...

NASA is under pressure from President Trump's administration and US politicians to be first to return to the lunar surface.

Despite being one of the most familiar substances on Earth, water holds many secrets that scientists are still working to ...

The left image shows a crystal structure of dynamic water molecule cluster like liquid at −20 °C in the supercooled water ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...