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📅Today's Fact•Sunday 26th April 2026

Octopuses have three hearts, and their blood is blue because it uses copper-rich hemocyanin to transport oxygen.

Octopuses have three hearts and blue blood because it uses copper instead of iron to carry oxygen. This clever adaptation is fascinating because it allows them to be incredibly efficient at getting oxygen to their bodies, especially in cold, low-oxygen water where they live.

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Saturday 25th April 2026

The number of possible chess games is so vast that it comfortably exceeds the estimated number of atoms in the observable universe.

This fact highlights that the sheer number of possible chess games is staggeringly larger than the number of atoms in the entire observable universe. It's a mind-boggling illustration of how quickly complex possibilities can explode, far beyond anything our human brains can easily grasp or even comp

Friday 24th April 2026

A recent study found that using your phone on the toilet was linked to a 46% higher risk of haemorrhoids. The most likely explanation was not the phone itself, but the extra time people spent sitting there.

Using your phone on the loo increases your risk of haemorrhoids by 46%, not necessarily due to germs, but because it tempts you to sit there for much longer. This prolonged sitting puts extra pressure on your backside, causing veins to swell.

Thursday 23rd April 2026

Flavour is often just smell in disguise. Your tongue can only detect a handful of basic tastes, while most of the detail in what you think of as flavour actually comes from aroma.

Most of what we think of as flavour actually comes from our sense of smell, not our taste buds, which can only detect a few basic tastes. This is interesting because it shows how much our perception of food is influenced by aromas, meaning the kitchen is truly a laboratory for the nose.

Wednesday 22nd April 2026

Studies have shown pigs are far smarter than most people assume. They can solve problems, use mirrors as clues, and even learn to play basic video games.

This fact highlights that pigs are much cleverer than we think, capable of solving puzzles, using mirrors to find things, and even playing computer games. It's surprising because it challenges our common perception of pigs and suggests they have a far richer mental life than we often assume.

Tuesday 21st April 2026

Our 60-minute hour comes from ancient Babylonian maths. Their base-60 system was so practical that it still shapes how we divide time and angles thousands of years later.

The fact that our hours have 60 minutes and circles have 360 degrees comes from the ancient Babylonians and their base-60 number system. This system was incredibly practical for dividing things up cleanly, which is why it's still used today for measuring time and angles, bridging the gap between anc

Monday 20th April 2026

The Stone Age covers roughly 99% of human history. Humans have existed for about 300,000 years, and for almost all of that time there were no farms, cities, writing, or metal tools.

This fact explains that the Stone Age, where humans lived as hunter-gatherers without writing or metal tools, makes up approximately 99% of our species' history. It's fascinating because it shows just how incredibly recent things like farming and cities are in the grand scheme of things, suggesting