Features

Spread across thousands of ordinary homes, Vermont's virtual power plant has become its largest power source. It's protecting owners from outages and providing cheaper, cleaner energy.

A pair of ancient runestones in Jelling tell the story of the Viking king who shaped Denmark – and inspired the name Bluetooth.

From releasing hormones to regulating our temperature, fat has myriad roles in the body. Here's why chasing extreme fat-loss goals is so unhealthy.

They're advertised as free – but guides often pay a fee for every guest. Here's what travellers should know before joining one.

On 29 September 1947, the "biggest murder trial in history" began. Seventy years on, the chief prosecutor, Ben Ferencz, told the BBC how he fought to bring 22 killers to justice.

From wider seats and extra legroom to better food and service, these are the perks that set Skytrax's top five economy airlines apart.

A survivor of the shipwreck that inspired the novel Moby Dick had a theory about how a sperm whale could destroy a vessel many times its size – 200 years later, he's been proved right.