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?

Eye for an eye: Javier Bardem iris NFT to be sold for sight-saving charity

Image of actor’s eye to be auctioned to fund Ojos del Mundo in preventing blindness in developing world

Group chat overload: have we reached peak WhatsApp?

From pictures of puppies to deadly political manoeuvres, WhatsApp is the world’s most popular messaging platform. But is it losing its appeal?

Meditation app Calm sacks one-fifth of staff

Wellness tech company, which enjoyed a boom in custom during the Covid lockdown, has let 90 of its 400 staff go

Child vaping risks becoming ‘public health catastrophe’ in UK, experts warn

There are fears that the e-cigarette boom has the potential to create a generation of young people hooked on nicotine

Unplugging from the mind trap of online noise made me realise tuning out is the only way to truly tune in

Since rediscovering the calm of a quieter state, I’m learning to reconnect and embrace the sounds of my life