Dave Hill

Acne is often treated as a teenage nuisance, but for many people it behaves more like a chronic condition. About 50 million Americans deal with it each year, and roughly 10 million have moderate to severe cases.

Most trade laws were written to fix narrow problems, such as one country dumping cheap steel or another shutting out American farm goods. The case now before a federal court in New York asks what happens when a president takes one of those narrow tools and uses it to tax almost everything the country buys from abroad.

Every time someone sends a stablecoin or approves a payment from a crypto wallet, a piece of mathematics vouches that the transaction is genuine. Most of that math comes from public key systems such as RSA and elliptic curve cryptography, which hold up today because ordinary computers would need an impractical amount of time to crack them. A sufficiently powerful quantum computer would change that equation, and a growing part of the security industry is working to replace those systems before that happens.

After almost ten years running this website, it's time to make more time for all the others things I want to do

Labour expects to win, the Greens are hoping for the best and the right-wing parties have a ruck all of their own

The tactics, timing and campaign materials of those who targeted the Board of Deputies of British Jews were sinister and wrong

Sadiq Khan will be empowered to override most decisions about opening hours and related conditions made by London's local authorities

The guest for the latest edition is former BBC London political editor Tim Donovan, who's seen it all before

Not every location in the scheme area will enjoy big benefits and some may experience the opposite according to a study for TfL

It wants one type removed completely and a halt to building more of the other type until cyclists' use of them improves