成人快手

Portugal, drugs and decriminalisation

In 2001 Portugal decriminalised personal drug use to tackle a heroin crisis.

• 23 mins

Life-saving surgery, but not by a doctor

Nurses and midwives in Ethiopia are being trained to perform emergency operations

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Residents turn detective to fight crime

Neighbours in the US are using cameras that read car number plates to cut crime

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The school that puts wellbeing first

One primary school has found a way to deliver therapy to about 10% of its students

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Trieste鈥檚 mental health 鈥榬evolution鈥�

How Italy鈥檚 radical decision to close its mental asylums shaped the way we think today

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Stopping child marriage with solar lanterns

Solar-powered lamps are giving girls independence and stopping them becoming child brides

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A simple way to help a relative if they鈥檙e arrested

A group in California is teaching families how to help loved ones charged with crimes

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Putting a price on carbon

How to increase the cost of causing climate change

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Bangladesh鈥檚 biker girls

The motorbike taxi app where the drivers and passengers are all women.

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The concrete cleaners

Making cement that locks in carbon dioxide instead of releasing it into the atmosphere

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Oysters to the rescue

The humble oyster is helping to keep the oceans clean and protect shorelines

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A new way to detect an invisible poison in water

Scientists hope a new test will save millions from drinking arsenic in their water

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Meeting Colombia鈥檚 鈥榲iolentologist鈥�

How a doctor in Colombia changed the way cities monitor and prevent violence

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The snakebite squad

A team in Kenya has introduced motorbike ambulances for people bitten by snakes

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Spotting the sound of a cardiac arrest

Copenhagen is experimenting with a new way of analysing emergency calls

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Turning waste into energy

Instead of sending all our waste to landfill, some companies are using it to make energy

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Shopping for a better life

How a grocery store is bringing healthcare to people who can鈥檛 usually afford it

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The town rethinking the future of energy

Energy companies have come together in Finland to tackle climate change

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Gaming for good

Gamers are helping scientists to analyse research and develop new drugs

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The future of freight

Designing eco-friendly lorries to make cleaner, greener deliveries

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How to save the banana

The banana is under threat from a deadly disease. Meet the people are trying to save it

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How to stop fires destroying whole neighbourhoods

The innovative fire alarm designed to protect South Africa鈥檚 poorest communities

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Stopping abuse with protection dogs

Women who have left abusive partners are learning how to train their own protection dogs

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Saving the world鈥檚 ice

Silica beads and whiter clouds - ideas to stop the world鈥檚 ice melting

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Turning kids into entrepreneurs

Children in Uganda are running their own businesses thanks to special classes in school

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Convicting more rapists

Rapists often get away without being convicted 鈥� South Africa thinks it has an answer

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Making your deliveries greener

Four clever ways to reduce carbon emissions from deliveries

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Checking in with the problem solvers

Stopping forest fires with goats and more 鈥� an update on projects we鈥檝e visited before

• 23 mins

How to move the Earth

The plans to use lasers or asteroids to move our planet away from the sun

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The pharmacists fighting high drug prices

When drug prices went up, pharmacists stepped in to make medicines themselves

• 23 mins