Why salt crystals grow as pyramids (sometimes)

Thanks to Squarespace for sponsoring this video! Go to Squarespace.com for a free trial, and when you’re ready to launch, go to http://squarespace.com/ragusea and add code “RAGUSEA" at checkout to save 10% off your first purchase of a website or domain.

Dr. Pietro Fontana's 2019 paper on hopper crystal growth in microgravity: https://www.nature.com/articles/s41526-019-0085-0

NASA videos made by Dr. Don Pettit aboard the ISS: http://lateralscience.blogspot.com/2014/10/nasa-microgravity-hopper-crystals.html

Maldon Sea Salt video: https://youtu.be/YjNIeXyojpw