Fighting the ‘Water Mafia’ with Pipes in the Sky

A project in a Kenyan slum is pumping water through pipes suspended in the air

• 23 mins

‘Rental sisters’ for Japan’s Reclusive Young Men

The sisters-for-hire who are trying to coax reclusive Japanese men out of their rooms

• 23 mins

Tech That Tricks the Brain

Two tech start-ups are using wearable technology to trick the brain to solve problems

• 23 mins

Time to Update the Stranger Danger Message?

Stranger Danger: Still the best message to keep children safe?

• 23 mins

The Country That Can Jail You For Using Plastic Bags

In Kenya you can be jailed for four years for carrying a single-use plastic bag.

• 23 mins

How to Build a City for an Ageing Population

Japan’s Kashiwa City has redesigned buildings and jobs to adapt to an ageing population

• 24 mins

The Banks That Run on Time Instead of Money

How time banks allow people to save and spend their hours

• 23 mins

Smart Boats That Sail on a Bed of Bubbles

What’s being done to clean up the shipping industry and make it less polluting?

• 23 mins

How 'Buddy Benches' are Making Playtime Less Lonely

Buddy Benches are proving popular in Irish schools

• 23 mins

Can This Smart Street Stop Drinkers Getting Violent?

How a Dutch city is trying to reduce violence by changing the colour of street lights

• 24 mins

Can US Entrepreneurs Help Fix Education in Africa?

A growing network of high-tech schools aims to tackle a ‘crisis’ in African education

• 22 mins

The Little Libraries Bringing Books into People’s Homes

Small boxes of books placed across the world are bringing people together

• 22 mins

Checking in with the Problem Solvers

We update you on stories from 2018 including a plan to catch junk in space

• 33 mins

Does the world need more babies?

Campaigns in countries with low birth rates are trying to get people to have more babies

• 23 mins

The Talent Show for Honest People

In the Integrity Idol talent show, it doesn’t matter if you can sing or dance

• 23 mins

The Turkish App to Help Autistic Children Learn

Can these games help autistic children get the right education?

• 23 mins

The shopping mall where everything is recycled

A shopping mall in Sweden only sells recycled items, thanks to its clever location

• 24 mins

How Nepal Doubled its Tiger Population

Over the past 10 years, Nepal has almost doubled its population of Bengal tigers

• 24 mins

‘No Men Allowed’ – The Gym Getting Women Fit and into Work

A single-sex gym in Turkey is helping women exercise and become entrepreneurs

• 22 mins

Predicting suicide

How machine learning could be used to predict who will take their own life

• 25 mins

Turning old clothes into new ones

Could dissolving mountains of old clothes help create material for new ones?

• 24 mins

Last video messages to help children grieve

Making precious video memories for children

• 23 mins

Crossing divides in Cyprus

Could a centre in the buffer zone that divides Cyprus bring two communities together?

• 23 mins

The digital detectives tackling child sexual abuse

Meet the online volunteers helping Europol track down child abusers and their victims

• 22 mins

Can phages save us as antibiotics stop working?

How phages – viruses that kill bacteria – are saving lives.

• 23 mins

The mums saving each other from a taboo condition

Women who have had surgery for fistula are making sure others get life-changing treatment

• 23 mins

The great mosquito swap

Scientists are hoping to stop diseases spreading by changing the mosquito population

• 23 mins

DNA tests for dogs to tackle problem poo

US residents fed up with dog mess are using a high-tech solution

• 22 mins

The reuse and refill revolution

Should we reuse and refill plastic packaging to limit the amount being thrown away?

• 23 mins

The tree detectives tackling illegal logging

Scientists are building a database to help them tell exactly where wood has come from

• 24 mins