For more information about states of matter, check out the Science Trek website. You'll find it at science trek.org. States of Matter: The Fourth State. Video has Closed Captions CC.

This video takes you on a journey through the 15 states of matter, including some you’ve probably never heard of! Prepare for mind-expanding science and fun analogies. More for You.

U.S. government scientists have developed a new phase of matter dubbed 'half ice, half fire,' which unites opposing electron spins in a unique magnet.