Chemistry: A Volatile History


September 24, 2015

Expired 3.0 54 x
By the 19th century, alchemists were questioning the long-held 'four elements' theory. Physicist Jim Al-Khalili explores how modern-day chemistry came to be.

October 8, 2015

Expired 4.0 17 x
An elementary guide to elements. Join Jim Al-Khalili and hear of the amazing breakthroughs that led to the elements being harnessed to release untold power.

October 1, 2015

Expired 3.0 25 x
Professor Jim Al-Khalili reveals how the early scientists' quest to group the elements led to the creation of that bane of the student - the periodic table.
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