Tables charting the chemical elements have been around since the 19th century - but this modern version has a short video about each one.
Since launching this site, our videos have been watched more than 1.9 million times.
But we're not finished yet. We've started updating all the videos with new stories, better samples and bigger experiments.
So once you've watched all 118 videos, make sure you come back and check on our progress.
http://www.periodicvideos.com/
The University of Nottingham is the birthplace of the MRI scanner. There are now 22,000 used in hospitals throughout the world. Sir Peter Mansfield won the Nobel Prize for his achievements.
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