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91av Live – Saturday 8th October timetable

91av Live – Sunday 9th October timetable

2GRD8X5 High Angle View Of Text On White Background

Humans

Insomnia success suggests we need more nuanced mental health support

Jim Al-Khalili, Pragya Agarwal, Guy Leschziner, Robert Macfarlane, Sarah Gilbert, Peter Marren, Yuval Noah Harari

Humans

Holiday reads: Top scientists and writers share their must-read books

Exhibitors at 91av Live Manchester 2022

91av Live 2022: What to know about our science festival

Physics

Alex Keshavarzi interview: How muons could reveal exotic new physics

NASA's Ingenuity helicopter unlocked its rotor blades, allowing them to spin freely, on April 7, 2021, the 47th Martian day, or sol, of the mission. They had been held in place since before launch, and the unlocking is one of several milestones that must be met before the helicopter can attempt the first powered, controlled flight on another planet. This image was captured by the Mastcam-Z imager on NASA's Perseverance Mars rover on the following sol, April 8, 2021.

Technology

2021 in review: A helicopter flies on Mars for the first time

The world’s hardest word search: Life, the universe and everything

Humans

Strange but true? Test yourself in our barely believable science quiz

How do humans affect the nitrogen cycle?

Health

Covid-19 news archive: September to October 2021

Humans

13 of the most profound questions about the cosmos and ourselves