Interviews with Scientists

Terraforming is a controversial concept but could make Mars more like Earth.

...and it's pretty cosy.

Mars is hostile, there's no getting around that so how will humans survive?

Microgravity has serious impacts on the body, including loss of bone, muscle and vision.

Living without gravity can have some serious side effects, as astronaut Stanley G Love found out...

Elon Musk's target of 2024 seems ambitious, so how realistic is this goal?

This is a mental illness often associated with teenage girls but new research suggests otherwise.

...and it could mean you get glow in the dark curtains.

The bright light emitted from LEDs could be affecting our health...

It started with fire, then light bulbs and now LEDs but how did this come about?

How and why are they so much more efficient than a standard light bulb?

Samsung has announced its phones were catching fire because of the battery...

Soft robotic sleeve gives hearts a helping hand.

Do we really snack on arachnids while sleeping?

A look back at Gene Cernan's achievements and hopes for space exploration.

Is laughter really good for you?

Can a computer learn to crack jokes?

What is guaranteed to get a baby chuckling?

Laughter is a big part of the way we interact, but why?

We find out why science can be a laughing matter.

Does it matter when the movies get the science wrong?

Are antioxidants all they're cracked up to be?

A new app hopes to make walking easier for the elderly.

Scientists have tied the world's smallest knot; less than a millionth of a millimetre across.