Why the UK government is reviewing the emergency alert. The celebs who’ve got their Twitter blue ticks back. The graphene “tattoo” that could help hearts keep their beat. And the new tea blend that allegedly tastes of “stale cigarettes”. Also in this episode: Millions of low-income families missing out on cheap broadband1912 Titanic inquiry plans sell for £195,000Northern Lights illuminate the UK skyShort activity bouts ‘can help type 1 diabetes patients with blood sugar levels’Researchers develop way to break down masks using fresh air and electricityThe end of Winston Churchill’s favourite tea blend Follow us on Twitter #TechScienceDaily Hosted on Acast. See acast.com/privacy for more information.