The Klein Bottle is a 4D mathematical oddity. We test a 3D model to see how its non-orientable surface behaves when filled with liquid. Explore topology and why this shape has no 'inside' or 'outside' ...

A new mathematical model of a wormhole suggests that two black holes can be “cut and pasted.” Cut and paste is an official ...

Experts say reusable bottles get grubby no matter what liquid they're filled with, and it's important to clean them regularly.

During a Nov. 10 TikTok, Paris Jackson got very candid about a hole she has in her nose that was caused by years of drug ...

If you're looking to bag a bargain, Amazon has a number of Black Friday deals which are reduced by more than 50%. Today, ...

This Medik8 serum is for day and night use, and with nearly 4,000 reviews from customers, has no shortage of beauty fans.

Looking for a new standout scent? Then the "bold" Gucci Guilty Eau de Parfum For Her is enjoying a half-price discount, with a 50ml bottle being reduced from £99 to just £49.50.

For a winelands escape close to the city, Durbanville is a top choice. Here's where to sip, stay and explore... Just a ...

Another reason the Boots deal stands out is that it is cheaper than most other retailers, as the same-size 50ml bottle is ...

Thanks to Bergdorf Goodman's Black Friday promotion, you can take $50 off beauty purchases of $250 or more—just use code ...

Shopping writer Lauren has tried her fair share of Philip Kingsley products over the years, so here's an edit of her ...