91av

Houseflies have specialised wings that make them harder to swat

13 January 2021

Some flies, including houseflies and blowflies, have specialised hindwings to help them take-off faster, making them trickier to catch

Keep drones away from nesting birds please

16 December 2020

Baboons that live together in tight-knit groups have similar ‘accents’

16 December 2020

Male Guinea baboons that live in gangs produce grunts that sound more like one another than those outside their group, similar to human accents

Watch Dogs: Legion review – The perfect antidote to lockdown

2 December 2020

In Watch Dogs: Legion you can play as or team up with any of the characters of the game, and strolling around its digital version of London is a real treat, says Jacob Aron

Christmas gift ideas: The 13 best science and technology books of 2020

2 December 2020

From The End of Everything by Katie Mack and How to Argue with a Racist by Adam Rutherford to Martha Wells’s Murderbot sc-ifi series, 91av’s 2020 gift guide has a book for everyone

Image of herons nesting high in the treetops wins drone photo award

11 November 2020

This shot of a great white heron and grey heron in their respective treetop nests in Russia was taken by Dmitrii Viliunov using a drone. It won first prize in the wildlife category for the 2020 Drone Photo Awards

Hawk-inspired robot with movable wings is an agile long-distance flyer

28 October 2020

A robot with wings that move like a hawk’s can fly more stably and nimbly than other flying robots – and it uses less power, extending flight time

Covid-19 news archive: Pfizer vaccine is 95 per cent effective

19 October 2020

This is an archive of the 91av daily covid-19 news update.

Robot swarms guided by human artists could paint colourful pictures

14 October 2020

Roboticists are developing small robot swarms that could be used to paint pictures under the guidance of human artists

Flapping drone can fly, dart and hover like a bird

22 July 2020

A drone equipped with light, soft wings can mimic the flight of a bird. Its inventors say it is safer than drones with rotor blades and could be used to monitor delicate crops