How well do you see colours? It's probably not a question you often ask yourself.
After all, most of us have no idea how we "should" see the world so we just go about our daily business.
One quiz, based on the Farnsworth-Munsell 100 HueColor vision test, is promising to tell you if you have "super-human" eyesight simply by recognising which square is darker.
The quiz, created by Sydnie Silver on the site Playbuzz, claims that 'only people with superior vision' pass it.
It might also tell you a little bit about your imagination.
Have a go and see how well you measure up. Don't forget to share your score so we know how you got on.
If you get most of them right, the test will tell you you have "super-human eyesight", which might be a bit of an exaggeration.
playbuzz
Do you have superior colour vision?
The quiz is based on the Farnsworth-Munsell 100 hue test, which is one of the most famous color vision tests available and was created in 1949.
It never rains, it pours, and on the day Donald Trump became President-elect of the United States of America, Toblerone changed forever.
The makers of the Swiss chocolate altered the spacing between the peaks. Together, we mourned. It was a tragic time.
But we should never take such a thing lying down, and alongside finding excellent new uses for the Christmas confectionery, we've also had a little go making Toblerone ourselves.
Our man Aodhan Gregory spent some time in his kitchen crafting his own version. He used much the same recipe – just a little simplified.
Aodhan Gregory/Daily Mirror
Peaks of joy
All you need is a bar of good milk chocolate, a stick of nougat, and a handful of almonds. You can make your own moulds out of an old cereal box.
The result may not look precisely like the original, but it tastes delicious, and would, we think, definitely go down a treat were you to present it to family this festive season. Taste is preferable to appearance.
Aodhan Gregory/Daily Mirror
Toblerone chocolate is loved for its nutty, chewy loveliness
There's also the added benefit of costing by weight less than a bar of Toblerone. Let's not forget that Mondalez said that it reduced the mass of its bars due to rising food prices.
All it takes is a little time and effort!
If you give our homemade Toblerone a whirl, send us some photos of the finished result to yourmirror@trinitymirror.com
This terrifying ten-fingered robot can be controlled using sense of touch by an operator wearing an exoskeleton thousands of miles away.
A person wearing CAPIO moves their arm and the robot moves its arm in time with digital feedback so users get a sense of what it is touching.
The robot, called AILA, was designed by the German Research Centre for Artificial Intelligence or DFKI.
DFKI reportedly focuses on building robots for exploration and human assistance instead of military applications, Motherboard reports.
The robot is being used by the firm to demonstrate's CAPIO's capabilities.
Motherboard.vice
The incredible exoskeleton system uses 8 different contact points to manipulate the robot, so when the person wearing it moves their arm the driod moves its arm at the same time.
But most amazingly the exoskeleton feature something called 'haptic feedback' which allows the operator to feel their way around using a sense of.
The robot rolls around on six wheels, manipulating the world around it with two five fingered arms.
The system can be used at an incredible distance after the robot was operated in one test in the German city of Bremen using an exoskeleton in the Russian city Magnitogorsk.
That’s a distance of more than 2,400 miles. There is speculation the technology could be used for maintenance on the International Space Station.
Nostradamus was a French apothecary and seer whose prophecies have become legendary
Add this to the pile of conspiracy theories surrounding the US presidential election : Nostradamus predicted Donald Trump's shock victory - but with a chilling consequence.
Conspiracy theorists claim the 16th century prophet saw it coming - something the pollsters failed to do - and predicted the election result would lead to the end of the world through a catastrophic war.
They're quoting two different predictions which refer to a "great shameless, audacious brawler" taking control of the army and a breakout of "nuclear combat".
Trump, the Republican candidate, will be inaugurated as the 45th president of the US on January 20 after upsetting Democratic candidate Hillary Clinton in Tuesday night's historic vote .
President-elect Donald Trump was victorious over Hillary Clinton
Getty Images North America
Republican presidential candidate Donald Trump sits with his wife Melania Trump
Nostradamus was a French apothecary and seer whose prophecies have become legendary.
In one of his prophecies he wrote: "The great shameless, audacious bawler. He will be elected governor of the army: The boldness of his contention. The bridge broken, the city faint from fear.”
Conspiracy theorists say Trump - the brash candidate who was accused of racism, sexism, xenophobia, Islamophobia and sexual assault during the campaign - is the "brawler" in Nostradamus' prediction.
They've also quoted a separate prediction, which suggests there will be another world war.
The prediction states: "The moment of great violence will coincide with the appearance of a comet in the sky.
"Nuclear combat and natural disasters shall strike our planet when a giant planet approaches Earth."
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US Democratic presidential candidate Hillary Clinton makes a concession speech
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U.S. President Barack Obama (R) greets President-elect Donald Trump in the White House
Trotter's Traders celebrates the hit TV series Only Fools and Horses
People called Derek or Rodney who are hunting for a job may be in luck.
They've been encouraged to apply for work at a new £1.1m Trotter's Traders store because they share the same names as the main characters from Only Fools and Horses .
The discount shop is expanding its portfolio of stores which pay tribute to the iconic TV comedy series, which aired for more than 20 years.
Everyone is welcome to apply for a job at the store, but those called Derek or Rodney have been encouraged to submit a CV, the Grimsby Telegraph reports.
Northcliffe Media Ltd
Dave Potts said the new store is looking for a Del Boy lookalike
The BBC series set in Peckham, south London, focused on the lives of market trader Derek "Del Boy" Trotter and his brother, Rodney.
Former Grimsby market trader Douglas Wadham, a huge fan of Only Fools and Horses, established Trotter's Traders in 2008.
Trotter's Traders currently employs 25 people at stores in Humberston, Louth, Mablethorpe and Skegness.
BBC
Only Fools and Horses starred Nicholas Lyndhurst as Rodney Trotter and David Jason as Derek 'Del Boy' Trotter
Now around 20 new jobs are to be created with the opening of a new branch in Scunthorpe.
Mr Wadham says he is the number one fan of Only Fools and Horses, naming his business in tribute to his heroes.
Trotter's Traders area manager Dave Potts said: "We are aiming for opening in the first week of December and want to turn it into a real Peckham-style knees-up.
"We are also looking for a Del Boy lookalike if there is one in Scunthorpe."
Mr Potts said the new store would stock more than 12,000 different lines including tools and pet supplies and would trade seven days a week, including two late night openings until 8pm.
Cadbury produces many of our most treasured treats
Cadbury just registered the name 'Dark Milk'. It's a strange-sounding name, but a name nonetheless.
It's thought that the chocolate manufacturer is looking to protect its brand in Europe following the Brexit vote.
The problem lies with vegetable fat, which is found in famous Dairy Milk bars here in Britain. But the addition of the fat to chocolate has historically gone against against EU rules and regulations.
There's speculation that when the UK actually leaves the EU, European nations will block Cadbury from exporting its chocolate by redefining what chocolate technically is.
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Cadbury chocolate could be taking a dark turn
The likes of Italy, France, and Belgium, believe that chocolate should be purer. Many on the continent aren't really fans of Dairy Milk bars, which have a relatively low cocoa content. Britain was only allowed to sell its chocolate in Europe after a 30-year battle with the EU.
Nick Clegg, former deputy Prime Minister and Lib Dem leader, said last week that Brexit could mean the previous deal could be abolished.
So to counteract this possibility, it looks as though Cadbury has registered 'Dark Milk' in readiness to produce its classic bars with a higher cacao content for the continental market.
Recipes for many manufacturers, not just Cadbury, would have to change to suit EU taste buds.
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Classic Dairy Milk might be blocked by the EU post-Article 50
Cadbury owner Mondalez refused to explain its 'Dark Milk' registration when asked by The Grocer magazine, which pondered the idea that 'Mondelez will use its Dairy Milk brand to tap artisanal trend for darker chocolate bars' this month.
"Chocolate containing higher levels of vegetable fat and milk were only permitted in Europe following 30 years of wrangling amid arguments from bureaucrats that they should be called 'chocolate subsitutes'," The Grocer reported from Clegg's warnings."
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"Cadbury-style milk chocolate may once again face such prohibition claimed the former deputy PM."
