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Why do women outlive men

Why do women live longer than men? Dr Yan Wong explores new theories on gender and ageing

• 17 mins

The Life Scientific: Andrea Sella - Chemist

Jim Al-Khalili meets chemist and science showman Andrea Sella.

• 17 mins

Jared Diamond

Jared Diamond on gall bladders, global history and the birds of Papua New Guinea

• 17 mins

John Gurdon

2012 Nobel Prize winner, John Gurdon, on cloning a frog decades before Dolly the Sheep

• 17 mins

The ENCODE Project

Adam Rutherford reports on the recent discovery that much of our DNA is not useless junk.

• 17 mins

Quantum Biology

What is quantum biology and why is it important?

• 17 mins

Sexual Nature 1/3

Frolicking fossils and suggestive theories - the evolutionary history of sex

• 17 mins

Sexual Nature 2/3

How did sex begin and why do some many species keep doing it?

• 17 mins

Sexual Nature 3/3

Life鈥檚 many paths to being female or male: in humans, komodo dragons and transexual fish

• 17 mins

What If... We could all become cyborgs?

Dr Andrew Holding meets some of the people straddling the line between man and machine.

• 17 mins

What If... We could stay young forever? 1/3

Peter Bowes explores how science and lifestyle could hold the promise to staying young.

• 17 mins

What If... We could stay young forever? 2/3

Peter Bowes asks if exercise and lifestyle changes hold the key to staying young.

• 17 mins

What If... We could stay young forever? 3/3

Peter Bowes concludes his exploration of the drive to live longer by looking at diet.

• 17 mins

Premiership Science

Like football, science is an international endeavour complete with its own stars.

• 26 mins

Obituary: Margaret Thatcher

An obituary of former British Prime Minister Margaret Thatcher.

• 26 mins

Annette Karmiloff-Smith on toddlers and TV

Should babies under two watch TV? Jim talks to psychologist Annette Karmiloff-Smith.

• 26 mins

Noel Sharkey

Jim Al-Khalili talks to roboticist and psychologist, Noel Sharkey.

• 26 mins

A Trip Around Mars with Kevin Fong - Part One

The alien mountains, canyons and craters that inspire scientists and writers

• 26 mins

A Trip Around Mars - Part Two

Canyons, craters and mountains: The spectacular Martian terrain carved by swathes of water

• 26 mins

The Crying Game

Why do we cry and why are emotional tears a uniquely human trait?

• 26 mins

After Sandy

How can science protect New York from future super storms?

• 26 mins

Deep Sea Vents

Are newly discovered deep ocean ecosystems threatened by deep sea mining?

• 26 mins

On the Trail of the American Honeybee 1/2

How honeybees and their keepers travel vast distances pollinating America's crops

• 26 mins

On The Trail of the American Honeybee

Dr Adam Hart explores the impact of migratory bee-keeping in the United States

• 26 mins

Alan Watson

Around a million cosmic rays pass through us every night but where do they come from?

• 26 mins

Amoret Whitaker

Forensic entomologist Amoret Whitaker on insects and their role in solving crimes

• 26 mins

Solar Max

Astronomer Lucie Green looks at the dangers a solar superstorm could pose to us on Earth

• 26 mins

Build Me a Brain

Scientists connect cultures of living human neurons to robots to see how the brain works

• 26 mins

Quorum Sensing

Can we beat bacteria by stopping the bugs from talking to each other?

• 26 mins

Plate Tectonics and Life

Plate tectonics: the force that shaped the Earth - and shaped the life on it

• 26 mins