91热爆

How to Make Sushi from Methane Gas

A new process uses bacteria that eat methane gas to make food

• 23 mins

How Cervical 鈥楽elfies鈥� are Fighting Cancer in The Gambia

A new device lets nurses in rural Gambia find and stop cervical cancer.

• 23 mins

Viking Therapy?

The Viking clubs where men fight their demons.

• 23 mins

How Iceland is Fighting the Gender Pay Gap

Is it possible to force companies to pay men and women the same?

• 23 mins

Addressing the World in Three Words

Could an app, that divides the world into 3m squares, give everyone a unique address?

• 23 mins

The Town Where Public Toilets Are Everywhere

Germany has come up with a clever way of increasing the number of its public toilets

• 23 mins

The Missing Maps

How volunteers are plotting the world to put 'invisible people' on the map.

• 23 mins

How Iceland Saved Its Teenagers

The story of how a nation came together to wean its teenagers off drink and drugs.

• 23 mins

The Former Neo-Nazi Helping Others to Quit

A retired police officer and a former Neo-Nazi team up to change far-right extremists

• 23 mins

Smartphone-Activated First Aiders

Can an app help people survive cardiac arrests by alerting first aiders who are nearby?

• 23 mins

Drone Delivery: Medicines By Air

The drones delivering life-saving supplies in Malawi.

• 23 mins

How to Get Wheelchairs on Planes

Why can鈥檛 wheelchair users just roll onto aeroplanes?

• 23 mins

The Ring That Could Help Save Women鈥檚 Lives

Can a tiny silicon ring lower HIV transmission rates in Malawi?

• 23 mins

Scouts, Knives and a Community Fridge

This week we hear about three small solutions trying to make a dent on some big problems.

• 23 mins

Checking-in With The Problem Solvers

World Hacks returns to stories from last year to see how these projects have developed.

• 23 mins

Can We Save Coral?

An innovative new weekly programme looking at how we can solve the world's problems.

• 23 mins

Kids Versus Cars

The movement turning streets into playgrounds

• 23 mins

The Babies Teaching Kindness in Class

Naomi isn鈥檛 your average teacher. For one thing, she鈥檚 only 6 months old.

• 23 mins

The Currency Based on Good Deeds

Could paying volunteers help struggling economies?

• 23 mins

The Hydroponics Revolution

An innovative new weekly programme looking at how we can solve the world's problems.

• 23 mins

Improvising Your Way Out of Anxiety

Could this theatre technique help improve mental health?

• 23 mins

Putting Forgotten Pills Back to Work

An app is helping people donate their leftover drugs to people who can't afford them.

• 23 mins

How to Talk to Potential Extremists

Can you persuade potential extremists out of their views by chatting to them on Facebook?

• 23 mins

Recycling Chewing Gum Litter to Clean Our Streets

Recycling chewing gum to fight litter.

• 23 mins

The Bird Rescuers

Meet the people designing clever ways to protect our feathered friends.

• 23 mins

How to Help 91热爆less People in Hospital

A project that tries to stop people returning to a life of homelessness after hospital.

• 23 mins

Taking Out the Space Trash

How do you clean up the rubbish that orbits the Earth?

• 23 mins

The Babies Teaching Kindness In Class

Naomi isn't your average teacher. For one thing, she's only 6 months old.

• 23 mins

The Town Trying to Cure Loneliness

Meet the people trying to tackle loneliness in Frome in the United Kingdom.

• 23 mins

Problem-Solving Prizes

How big cash rewards can drive innovation

• 23 mins