91av

91av Live: how can we fix a problem like plastics?

3 August 2018

Plastic is the material we love to hate, but can we do anything about it? That’s the subject of a major panel debate at this year’s 91av Live

At least 49 people killed in Greece's deadliest wildfires in a decade

24 July 2018

The deadliest blazes to hit Greece in more than a decade have seen wildfires fanned by high winds rage through resorts

Another take on the idea of a colour bar

11 April 2018

AI drones are controlling self-driving diggers on building sites

14 March 2018

At thousands of sites around Japan, drones are learning to direct autonomous trucks from above – heralding a revolution in the construction industry

Drones reveal huge colonies of 1.5 million penguins on islands

6 March 2018

Two massive colonies of Adélie penguins have been discovered on the Danger Islands off the coast of Antarctica, bringing the global population to 8 million

Making a killing in the arms industry

6 December 2017

Drones make it far too easy to go to war

1 November 2017

Sharks now protected no matter whose waters they swim in

31 October 2017

126 countries have signed up to cross-border protection measures to conserve whale sharks and many other endangered migratory species

Drone designers accidentally explain colour of albatross wings

10 October 2017

Why are some birds' wings darker on top? Engineers may have found the answer while trying to design a biomimetic drone that goes further on less fuel

Seal pups get separated from their mums by icebreaker ships

6 October 2017

When icebreakers push through the sea ice on which Caspian seals nurse their young, mothers and pups flee and often get separated in the confusion