A new gold rush?

A new gold rush?

Many millions of tonnes of televisions, phones and other electronic equipment are discarded each year, despite them being a rich source of metals. But

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Ground breaking tech

Ground breaking tech

The use of controlled explosives is vital in mines but can be deadly if they are handled wrongly. If miners do not make accurate measurements or choo

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Drugs via WhatsApp

Drugs via WhatsApp

As many as 40 tonnes of heroin could be passing through Mozambique every year, making it the country's second biggest export, in a trade that is boost

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Marvel magic

Marvel magic

With Avengers: Infinity War having taken $2bn (£1.5bn) at the box office, Marvel's superhero films continue to dominate the cinema landscape. But jus

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Active defence

Active defence

Hackers are finding it too easy to circumvent traditional cyber defences, forcing businesses to rethink their security strategies. Many firms are now

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‘It was pretty crazy’

‘It was pretty crazy’

The BBC's weekly The Boss series profiles a different business leader from around the world. This week we spoke to Drew Houston, founder and chief exe

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Emotional surveillance

Emotional surveillance

Facial recognition tech is becoming more sophisticated, with some firms claiming it can even read our emotions and detect suspicious behaviour. But wh

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