Roman dodecahedrons and baffling copper scrolls discovered in Israel come under the microscope next. Plus, a bizarre discovery in Whitby.

A look at an ancient Greek device built to contain the knowledge of the cosmos and a colour-changing Roman cup.

A look at the 'perfect listening bug' and a steam-powered 180-year-old mechanical engine that can solve complex math problems.

A look at the 11,000 year old skill of a deer, a decorated Bronze Age disk and a steampunk lightbulb.

The team investigates some of the most remarkable artefacts from Tutankhamun's tomb, including an exquisite piece of jewellery.

A tiny metal cube with a connection to Adolf Hitler is studied, along with the 300-year-old Berlin Gold Hat.

The Enigma Machine, vital to Britain's Second World War effort is re-examined. Mysterious ancient markings on a stone door are discovered.

An obsidian mirror and the notorious Voynich Manuscript are among the magnificent items studied.

Experts examine an ancient tablet could be the key to a lost civilization.

Experts examine the enigmatic mosaic adorned on the ancient Standard of Ur.

See one of the most famous coins ever discovered, and a death mask of a girl who drowned in Paris.

Experts investigate the shattered skull of a 19th century railway worker.

Experts explore a controversial machine designed to measure intelligence.

Experts explore the only objects ever found in the Great Pyramid of Giza.

Experts investigate the mysterious purpose and identity behind this 9,000-year-old clay-covered artifact.

A museum in South London contains a disturbing tattered hat made of brown felt and decorated with more than 80 human teeth; using the latest imaging technology, experts investigate to uncover the macabre origins of this mysterious Victorian-era cap.

See one of the world's first batteries. Also, new details emerge about the death of Egypt's infamous Screaming Mummy.

First a mysterious neolithic stone ball, then Pulvermacher's electric chain belt will give you a shock and finally the case of the missing cat - mummy.

A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.

A 5,000-year-old carved stone object is shaped into four symmetrical lobes covered in unique markings. Why people believed an electrocution device could cure. And a 3,000-year-old cat mummy with no cat inside.

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