Fact-based Weird Facts
Why Honey Keeps Almost Forever
Honey is too dry, too acidic and too sugary for most microbes to survive in, which is why a jar at the back of the cupboard is almost always still good.
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Weird Facts
Odd but true trivia that lives rent-free in your head.
Weird Facts is where Oddly keeps the true things that sound made up: sharks that are older than trees, honey that keeps for thousands of years, a metal that melts in your hand. Every piece here is real, and each one takes a single surprising fact and explains it properly — where it comes from, why it happens, and what people often get wrong about it.
A fact earns a place here when it is surprising, when it holds up, and when there is more to say than one line. Each article is written with the help of AI and then checked against at least two independent sources, at least one of them a university, museum, science agency, journal or other official body, which are listed at the end of the piece. Wikipedia may be listed as further reading, but it never counts as one of the two. If a detail cannot be traced to a source, it is taken out.
That is the difference from a trivia list. A list gives you the fact and moves on; here you get the story behind it, the numbers, and the sources to check it yourself. If you find a mistake, every article has a way to tell us, and corrections are published on the article and on our corrections page.
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Three good first reads, picked by the editor.
Fact-based Weird Facts
Sharks Are Older Than Trees
Shark-like scales go back about 450 million years. The oldest known forest grew about 385 million years ago.
Fact-based Weird Facts
Cleopatra Lived Closer to the Moon Landing Than to the Pyramids
The Great Pyramid was already about 2,500 years old in her time. The first Moon landing came about 2,000 years after her.
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Fact-based Weird Facts
Platypus Fur Glows Blue-Green Under Ultraviolet Light
Under ordinary light a platypus is plain brown, but under an ultraviolet lamp its fur glows blue-green, and scientists still disagree about whether the glow does anything at all.
Fact-based Weird Facts
A Day on Venus Lasts Longer Than Its Year
Venus needs about 243 Earth days to turn once and only 225 to circle the Sun, yet the gap between two sunrises there is just 117 days.
Fact-based Weird Facts
Bumblebees Roll Little Wooden Balls Around, Apparently Just for Fun
Given a clear path to food and a side area scattered with small wooden balls, bumblebees in a London lab kept wandering off to roll the balls, with no reward in sight.
Fact-based Weird Facts
Everest Is the Highest Mountain, but Not the Tallest
Everest wins only if you measure from sea level: a Hawaiian volcano is taller from foot to top, and a peak in Ecuador stands farther from the centre of the Earth.
Fact-based Weird Facts
Do Sea Otters Really Hold Hands While They Sleep?
The internet loves sleeping otters holding paws, but in the wild it is a rare sight, and the anchor most otters trust for a nap is a strand of kelp.
Fact-based Weird Facts
Chameleons Change Colour to Send Messages, Not Just to Hide
A chameleon is not a living copy machine for whatever it sits on: its most dazzling colour changes are messages to other chameleons, made with tiny crystals in its skin.
Fact-based Weird Facts
Honeybees Give Each Other Directions by Dancing
A bee that finds good flowers flies home and dances a figure of eight in the dark hive, and the dance tells her sisters which way to fly and how far to go.
Fact-based Weird Facts
A Fluffy White Cloud Weighs About as Much as a Hundred Elephants
The small cumulus drifting over your garden is carrying roughly five hundred tonnes of water, and it stays up there for a reason that has nothing to do with being light.
Fact-based Weird Facts
There Are More Trees on Earth Than Stars in the Milky Way
A global count using satellites and four hundred thousand forest plots put Earth's tree total near three trillion, several times the stars our whole galaxy is thought to hold.
Fact-based Weird Facts
Hippos Make Their Own Sunscreen
A hippo climbing out of a river shines orange-red in the sun, and that glossy coat is a sunscreen it makes in its own skin, one that keeps germs away as well.