Wearable fitness trackers could interfere with cardiac devices, study finds

Bioimpedance sensing technologies as used in smartwatches could affect implanted devices like pacemakers

Broadcasting your breakfast: why TikTokers obsess over morning routines

With 15bn views to #MorningRoutine TikTok videos, Rachel Signer decided to wake up to the social media trend – and was served some societal critique with her cereal

Is America suffering a ‘social recession’?

Americans report having less sex, fewer friends and a loss of trust in each other and society. What’s going on?

Experience: I make prosthetic arms with Lego

I tested one by hitting it against a wall – the wall took the damage

‘It feels like fresh air to my ears’: can brown noise really help you concentrate?

Some people use it to improve their focus while others use it to drop off to sleep. The writer Zadie Smith says she listens to it day and night. But what is brown noise? And does it work?