Earth is alive because of water, and humanity’s relationship with this simple molecule is everything. "H2O, The Molecule That Made Us" is a three-hour series from WGBH Boston premiering, dramatically ...

It’s amazing, isn’t it? Our blue planet. The only planet in the solar system that’s surface is covered in liquid water. But less than that 1% of it that is ...

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 ...