Pi Day 2026: March 14 is celebrated every year as Pi Day to commemorate the Mathematical constant Pi. The day also marks the birth anniversary of physicist Albert Einstein and is observed as a ...

Pi Day is observed every year on March 14, marking the significance of the mathematical constant π (pi). The day is commemorated by mathematics enthusiasts around the world in recognition of the ...

Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

Popular parenting forum Mumsnet is calling for a UK social media ban for under-16s - as it launches a new advertising campaign highlighting the dangers of phone addiction among young people. The ...

The internet forum is calling for a ban on social media for under-16s. A Mumsnet campaign is addressing the impact of mobile phone usage and social media on children’s mental health and wellbeing. The ...

The founder of Mumsnet is in talks with private equity investors about selling a stake in the online community for parents she set up more than a quarter of a century ago. Sky News has learnt that ...

Forget Donald Trump, Israel, antisemitism and the polls... the biggest threat to Keir Starmer right now is mums. That’s right, the ladies of Mumsnet are for turning after all, according to a new ...

Ramanujan’s elegant formulas for calculating pi, developed more than a century ago, have unexpectedly resurfaced at the heart of modern physics. Researchers at IISc discovered that the same ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More ...

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It’s all kicking off on Mumsnet. This week a parent took to the site to ask if she was being unreasonable for refusing to let her mother-in-law “bring her own kettle when she visits”. Mumsnet user ...