Wealth tax criticized by billionaires and Gavin Newsom would levy a one-time 5% tax on residents worth over $1bn

A popular proposal in California to impose a wealth tax on billionaires has gained enough signatures to qualify for the ballot in November, state officials announced on Wednesday.

The news is set to intensify an already heated debate around the tax, which has pitted tech moguls and the state’s governor, Gavin Newsom, against the labor union backing the measure.

They claim to fix fine lines, blemishes, and redness – but which stand up to scrutiny? After consulting dermatologists and putting them to the test, we have crowned a brand new number one

• The best anti-ageing creams, serums and treatments

LED face masks are booming in popularity – despite being one of the most expensive at-home beauty products to hit the market. They claim to either reduce the appearance of fine lines, stop spots or calm redness, with some even combining different types of light to enhance the benefits.

However, it’s wise to be sceptical about new treatments that are costly and non-invasive, and to do your research before you buy. With this in mind, I interviewed doctors and dermatologists to find out whether these light therapy devices work.

Best LED mask overall:
CurrentBody Multi Light Therapy LED mask

Best budget LED face mask:
Silk’n LED face mask 100

Nothing does more for your ego than realising you can make a better decision than a bot with all of human knowledge at its digital fingertips

I am not, by nature, an early adopter. There comes a point in our lives where change becomes more irritating than exciting and, I suspect, I reached it sooner than most. But when a workplace recently tasked me with exploring practical applications for AI, I spotted an opportunity to cast off my luddite inclinations.

It turned out AI was very good at mimicking most of the things I could already do. Irrespective of quality, it could churn out articles, reports, presentations, fiction, even podcasts with stammering hosts. That was no use to me. What I wanted help with was all the stuff I was useless at. There was an obvious target: DIY.

Missed out on a fan this summer? Chill your space with our pick of the best still in stock, including tower and misting models

• The best portable neck and handheld fans
• Dyson HushJet Mini Cool fan review

Our world is getting hotter. Summer heatwaves are so frequent, they’re stretching the bounds of what we think of as summer. Hot-and-bothered home working and sweaty, sleepless nights are now alarmingly common.

Get a good fan and you can dodge the temptation of air conditioning. Aircon is incredibly effective, but it uses a lot of electricity … and burning fossil fuels is how we got into this mess in the first place. Save money and carbon by opting for a great fan instead.