91热爆

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

Crossing Divides: Solutions for Peace

Can grassroots initiatives really have a meaningful impact on peace?

• 53 mins

The Schools Trying to Build Bridges

Could bilingual schools help bring peace to a seemingly intractable conflict?

• 23 mins

The People鈥檚 Peace Talks

Can the public can succeed where the politicians have failed?

• 23 mins

The Speed Detectors

The volunteers catching speeding motorists

• 23 mins

Turning Subsistence Farming into an Investment Opportunity

How a new Nigerian tech startup is turning small scale farms into financial investments

• 23 mins

Clean Clothes and Glasses for the Poorest in Society

How do you improve the lives of the very poorest people? Sometimes it鈥檚 the simple things.

• 23 mins

Fighting Food Waste

Tech solutions for fighting food waste

• 23 mins

The Street Where Houses Come Half-Built

Why would you build someone half a house?

• 23 mins

Can a $1 Million Prize Help Keep Women Safe?

A competition to design a gadget that will send a secret alert if someone is attacked.

• 23 mins

Nigeria's Secret STI Test Kits

The start-up that allows people to self test for STIs in secret

• 23 mins

Learning Lessons from the Longest Living Lands

Can adapting your lifestyle add 10 years to your lifespan?

• 23 mins

The Bricks Helping to Rebuild Gaza

The young Gazan engineer making bricks out of ash and rubble

• 23 mins

Recycling to Turn Trash into Cash

Two projects that make life better for people keeping rubbish off the streets

• 23 mins

Generating power from the roads

A highway in the US is being used to generate power and make toilet paper

• 23 mins