Hydrogen | Chemistry: A Volatile History

1: Discovering the Elements | Chemistry: A Volatile History

The story of how the elements were discovered and mapped begins with the alchemists who questioned that the world...

Lavoisier's Elements | Chemistry: A Volatile History

Lavoisier was the first scientist to define what an element was.

Mercury | Chemistry: A Volatile History

Mercury is fourteen times heavier than water, and so dense even a steel bolt will float in it.

Oxygen | Chemistry: A Volatile History

The story of how Joseph Priestley discovered oxygen.

Properties of Potassium | Chemistry: A Volatile History

Spec references J248: C4.1a J250: C4.1a. Professor Jim Al-Khalili describes properties of potassium and some of its u...

The discovery of phosphorus | Chemistry: A Volatile History

Phosphorus was discovered when Brandt was attempting to isolate gold from his urine.

1: Discovering the Elements | Chemistry: A Volatile History

The story of how the elements were discovered and mapped begins with the alchemists who questioned that the world...

Einstein and the beetle | Gravity and Me: The Force that Shapes our Lives

Professor Jim Al-Khalili explains Einstein's analogy of gravity that he told his son to explain his...

Prof Jim Al Khalili goes inside Calder Hall for his first look inside the core of a nuclear reactor | Britain's Nuclear Secrets: Inside Sellafield

Nuclear physicist Professo...

Sarah-Jayne Blakemore on teenage brains | The Life Scientific

Professor Sarah-Jayne Blakemore talks to Jim Al-Khalili about her research on the developing teenage brain.

The race to prove Maxwell's theory | Shock and Awe: The Story of Electricity

Jim Al-Khalili explains how physics professor Oliver Lodge proved Maxwell's theory that electrom...

Fukushima: Is Nuclear Power Safe? | Horizon

Six months after the explosions at the Fukushima nuclear plant in Japan, Professor Jim Al-Khalili sets out to discover whether nu...

Al-Khwarizmi's digit and numerical system | Science and Islam

Jim Al-Khalili explains how our numerical system spread to Europe through the work of the Arabic mathematician ...

The big bang and the creation of hydrogen and helium | Atom

George Gamow believed that helium existed in the universe before the sun and the stars were formed.

Electrolysis - Discovery of Potassium | Curriculum Bites

Spec references J248: C3.4b J250: C3.4b. Professor Jim Al-Khalili recreates the electrolysis experiment that lead to...