Periodic Table: 150 Au Years

This week we're celebrating 150 years of the Periodic Table - we'll find out how scientists uncovered the elements in the first place and what other mysterious materials may be waiting to be discovered. Plus a way to power up the body's own morphine-like chemicals, how microbes are gluing microplastics back together in the ocean, and post-Valentine's Day, some dating do's and dating dont's to bear in mind for next year!