Crossrail - Tunnelling under London

How 26 miles of precision-engineered tunnels are created through London's erratic geology.

• 28 mins

Oxytocin

Linda Geddes asks if taking the hormone oxytocin can make people more sociable.

• 28 mins

Gut Microbiota

New insights into the important relationship we have with microbes that live in our gut.

• 28 mins

The Power of the Unconscious

The crucial role of our unconscious, and how scientists are now harnessing its powers.

• 28 mins

Self-Healing Materials

Quentin Cooper takes a look at the new materials that can mend themselves.

• 28 mins

Nitrogen Fixing

Prof Andrea Sella looks at efforts to reduce our dependence on the Haber-Bosch process.

• 28 mins

Geo-engineering

Gaia Vince asks if geoengineering by blocking the sun could stop the earth warming up.

• 28 mins

Chronotypes

Linda Geddes explores research into the differences between morning and evening people.

• 28 mins

Driverless cars

Jack Stewart meets the engineers inventing vehicles that drive themselves.

• 28 mins

Ageing and the brain

Do our mental powers really decline in old age?

• 28 mins

Power Transmission

Gaia Vince looks at the future of power transmission.

• 28 mins

Anaesthesia

Linda Geddes explores the latest research into how general anaesthetics work in the body.

• 28 mins

Swarming robots

Adam Hart on how insect and cell structure research is helping develop swarming robots.

• 28 mins

Cosmology

Have astronomers really found gravitational waves from the Big Bang as announced in March?

• 28 mins

The Rosetta Mission

Billed as 'the sexiest space mission ever', did Rosetta's probe land safely on its comet?

• 28 mins

Vagus Nerve

Can stimulating the vagus nerve improve health? Gaia Vince explores this new research area

• 28 mins

New Space to Fly

Jack Stewart meets the pioneers redesigning our international airspace.

• 28 mins

Animal Personality

Prof Adam Hart explores a new field in zoology - animal personality.

• 28 mins

Can Maths Combat Terrorism?

Can maths reveal hidden patterns in global terrorism? Dr Hannah Fry investigates.

• 28 mins

Virtual Therapy

Quentin Cooper looks at the therapeutic possibilites of virtual reality.

• 28 mins