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Photographs of the working lives of sanitation workers in India.

A Russian ship is playing a difficult game in the high Arctic: trying to stay in the thickening winter sea ice without getting stuck.

Polymaths excel in multiple fields. But what makes a polymath – and can their cross-discipline expertise help tackle some of society’s most pressing challenges?

Eliud Kipchoge made history in October by becoming the first person to run a marathon in under two hours. Here's how he did it.

In 1977, two spacecraft started a mission that has redefined our knowledge of the Solar System – and will soon become our ambassadors on a journey into the unknown.

Soldiers should have been prosecuted for killing civilians in Iraq and Afghanistan, insiders say.

High parental expectations and being happy at school are also important factors, a study suggests.

The US government has issued a directive banning sleeping at work. But sleep experts say they should reconsider.

It may be little more than grains of weathered rock, and can be found on deserts and beaches around the world, but sand is also the world’s second most consumed natural resource.

No one likes an office whistler or pen clicker – but for some people, these noises aren’t just a nuisance, they’re a full-blown aural assault. Why?

Babies can't possibly get a joke, so what causes their giggles? The answer might reveal a lot about the making of our minds, says Tom Stafford.

The death of al-Qaeda leader Osama Bin Laden near Islamabad has implications for relations between the US and Pakistan, writes BBC Panorama's John Ware.

Ride pick-up app's algorithm offers drivers freedom while trapping them at the same time, experts say.

Labour promises to give every home in the UK full-fibre internet if it wins the general election.

This week the radio show looks at how the tiny Raspberry Pi computer became such a big success.

More managerial jobs generate more meetings, but they are not about making decisions, says a study.

Behrouz Boochani was held on Manus Island for six years, after trying to claim asylum in Australia.

Erin Lee of the Echappe dance school in Philadelphia says the dads are "super committed".

After his father died of cancer, Mike Posner hiked almost 3,000 miles from New Jersey to California.

Exploring the gaps in the political advertising databases provided by the tech giants.

Ride-hailing app Uber is far from the first company to change prices according to customer numbers.

Online dating might not help you to find the one. But the data from dating apps offers some tantalising insights.

Scandinavia is famous for its liveable cities, but a new university course in Nordic urban planning has raised questions about replicating the region’s approach elsewhere.

Demand is soaring for the metal cobalt, an essential ingredient in batteries and abundant on the seabed.

When a refugee bumped into a baby, a tale of death threats, hijack and escape emerged.