Simple-looking math problem divides people as they struggle to solve sum - can you remember the 'golden rule'?
Can you solve this equation that has the internet spilt. It requires an old trick taught in school.
They look like random numbers but America's most uncrackable code is worth $60M: Inside the wild treasure hunt
The mystery of the Beale ciphers begins in 1885 with a small pamphlet containing three ciphers detailing how Thomas J. Beale had buried treasure at an unknown location.
The secret, space-age subway beneath the New York streets with upholstered seats and a Gilded Age waiting room
The result was like something out of Jules Verne - the brainchild of a mad-scientist inventor - and promised to transform the future of public transit.
Katya Jones addresses her Strictly scandals as she admits she had 'a breakdown' after first controversy but insists she 'wouldn't change a thing' - following THAT Seann Walsh kiss and Wynne Evans 'wandering hand' gaffe
The professional dancer, 36, joined the BBC ballroom show in 2016, and has been partnered with the likes of Ed Balls, Adam Peaty and Joe McFadden - with whom she won.
Where is EastEnders' Matt Di Angelo now? Actor went from buying flash cars to relying on anti-anxiety meds after four-year dry spell of work as he blasts fickle industry and admits he now relies on property renovations to pay the bills
He became a household name at the tender age of 18, after winning the role of the loveable rogue, 'Deano' Wicks, on the BBC soap EastEnders.
I travelled the world without ever paying for accommodation - and saved £45,000
In the past 10 years, Joan Patterson, 67, and her husband Noel, have travelled the world, and 'don't pay for accommodation any more'.
Harry Styles and Zoe Kravitz are the new Hollywood power couple! A look back at the stars' colourful and intertwined love lives as they flaunt sizzling new romance
The hot pair have been spotted holding hands on several cosy NYC dates this month and One Direction star Harry, 31, has even met 36-year-old Zoe's famous father.
Inside the breathtaking world's most expensive underwater villa - with no privacy when you shower or sleep
The Maldives is known for its luxury resorts - but there's one that, quite literally, blows most completely out of the water.
The King and Queen retreat to Balmoral for a restful weekend - after Charles' Clarence House reunion with Prince Harry
Following an emotional reunion with Prince Harry at Clarence House this week, the King headed to Balmoral this weekend, where he attended church with Queen Camilla this morning.
If evolution is real, why are there still monkeys? Scientists reveal the surprising answer
Daily Mail has asked some of the leading evolution experts why, if humans evolved out of primates, do monkeys and apes still exist today?
I'm a royal fashion expert and I know Kate Middleton will love M&S' new collection - here's what's in my basket for autumn
M&S has gone from strength to strength in recent years, and I'd go as far as to say this autumn's collection might just be its best yet.
Inside the Duchess of Kent's trailblazer wedding where she transformed from 'Kate into Katharine' and 'embarked on a life she viewed with fear'
As she will be remembered as something of a trailblazer in the Royal Family , its unsurprising that this reputation would start before the Duchess of Kent had walked down the aisle.
'Shrekking' dating trend, where people pick 'ugly' partners because they're 'kinder', is growing in popularity - but some say it's 'toxic'
A new dating trend called Shrekking, inspired by the popular ogre film franchise, is becoming popular on the courting scene - but some have called it 'toxic'
The humble Essex theatre school that educated Superman stars Jonah and Christian Lees
They said that the club was a 'huge part' of making their current success
The protocols and royal rules Meghan hated, and her distaste for being a 'second-rate princess', according to royal author
Based on the comments of a Palace staffer, Tom Quinn wrote that Meghan Markle 'suddenly found herself in an institution that assigns roles to people and that do not change'.
Here in Hampstead, middle class mums are the cocaine dealer's best customer...the only change to our post-baby Friday nights is the side order of sleeping pills so we're fresh for toddler swim class and Waitrose next morning
For bored mums in leafy Hampstead a couple of lines on a Friday evening has come to represent a much-needed escape from to the day-to-day drudgery of motherhood, writes SARAH ROIK.
Building fire causes long delays on major Essex road
The incident was first reported at around 1pm
Boxer who quit against gender row rival Imane Khelif speaks out on horrific abuse that's 'destroyed my career'
Carini tearfully quit her opening bout with Khelif of Algeria at the Paris Olympics after just 46 seconds because of the pain from her opponent's opening punches.
From high interest rates to airport lounges and free physio visits... these are the best premium perks offered by banks for high earners
Banks are battling to lure customers with large nest eggs and decent salaries - and to entice them are offering accounts with high-end perks. But which are the best?
The Great Council Allotment Squeeze: Local authorities offering allotments up to 85 times smaller than traditional plots to cope with demand
There are around 175,000 people on the waiting list, some for up to 15 years, to receive one of the estimated 330,000 plots of rented land (pictured, file photo) across the UK.