91热爆

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

• 22 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 [REPEAT]

Naomi is not your average teacher. For one thing, she is only six 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

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.

• 22 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

• 22 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

• 24 mins

Recycling to Turn Trash into Cash

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

• 22 mins

Generating Power from the Roads

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

• 23 mins

Stopping Wildfires in Their Tracks

Three projects that are limiting the impact of wildfires

• 23 mins

Training India鈥檚 Fake Doctors

Can a controversial crash course in medicine help improve the healthcare system in India?

• 23 mins

Why Millions Listen to This Girl

Why millions listen to this nine-year-old girl's advice

• 23 mins

Reviving Italy鈥檚 鈥楪host Towns鈥�

An unusual hotel is helping to breathe life back into Italy鈥檚 abandoned villages

• 23 mins

Cool Ways of Keeping Things Cool

How two inventors are trying to revolutionise the way we keep things cold

• 23 mins

Rewarding Green Travel in Bologna

A scheme in Italy that rewards people for taking sustainable modes of transport

• 23 mins

Scanning 91热爆less People To Make a Donation

A new project is offering homeless people barcodes, which you can scan to make a donation

• 23 mins

A Green Space Revolution in Paris

How do you create green spaces in the middle of a city?

• 23 mins