TikTok asks Donald Trump: ‘Are we still banned?’
The Chinese viral video service’s owner ByteDance begins a legal challenge against the US ban.
China to clamp down on internet giants
The regulations suggest increasing unease in Beijing with the growing influence of digital platforms.
Mobile robo-surgeons could widen access to keyhole surgery
A modular design allows keyhole surgery to be performed in smaller operating theatres.
US election: Technical error blamed for PM’s Biden tweet glitch
Boris Johnson’s congratulatory message included the word Trump faintly in background.
Apple unveils first Mac computers powered by its own M1 chip
Firm says the switch means the computers offer better battery life and can run iPhone and iPad apps.
Covid vaccine: How will we keep it cold enough?
The vaccine has to be kept at temperatures that are much lower than home freezers reach.