Dr. James McCaffrey presents a complete end-to-end demonstration of the kernel ridge regression technique to predict a single ...

Only 1% can spot the hidden odd number in this ‘421’ numerical optical illusion. Test your observation, IQ, and Hawk–Eye vision in this fun brain teaser.

The challenge is to find out the Odd Number “16” in this Numerical Optical Illusion. Can you prove you have an IQ level of 169 or higher with 20/20 vision?

Find the 2o2 in the grid of 202s in just 12 seconds. Only 1 in 10 people can complete this challenge. Optical illusions are spreading like wildfire on the internet.

Optical illusion: Find MO8 among MOBs With brain teasers, you have to think outside the box to crack the nuts. At first glance, it seems the word ‘MOB’ occupies almost every box in the grid.

Number columns allow you to take large numbers and subtract one from another. Find out more in this Bitesize Primary KS2 Maths guide.

Uncover the latest 2025 UK AI insights, covering adoption, market size, industry shifts, workforce impact and public views to guide your AI strategy.