SpaceIs the Moon Drifting Away from Earth? Yes — 3.8 cm Every Year
The Moon drifts about 3.8 centimetres further from Earth every year. Apollo-era mirrors let scientists measure it to the millimetre.
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Why Is Wombat Poop Cube-Shaped? The Only Animal That Does It
The wombat is the only animal on Earth known to produce cube-shaped droppings — and scientists finally figured out how.
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Space
HistoryOxford University Is Older Than the Aztec Empire
Teaching at Oxford began by 1096. The Aztec capital wasn't founded until 1325 — Oxford is older than the Aztec Empire by centuries.
Human BodyHow Many Bones Are Babies Born With? Around 300
Babies are born with around 300 bones; adults have just 206. As you grow, many bones fuse together — here's the full story.
AnimalsMantis Shrimp Vision: The Animal That Sees 16 Colour Channels
Mantis shrimp perceive up to 16 colour channels to our 3 — plus ultraviolet and polarised light. The most complex vision system known.
ScienceIs Lightning Hotter Than the Surface of the Sun?
A lightning strike reaches around 30,000 Kelvin — roughly five times hotter than the surface of the Sun. It lasts only a split second.
HistoryCleopatra Lived Closer to the Moon Landing Than to the Pyramids
Cleopatra lived nearer in time to the iPhone than to the construction of the Great Pyramid. Ancient history is younger than you think.
ScienceThe Shannon Number: More Possible Chess Games Than Atoms in the Universe
There are around 10^120 possible chess games — more than the estimated 10^80 atoms in the observable universe. No two games need ever repeat.
SpaceIs a Day on Venus Longer Than Its Year?
Venus spins so slowly that one day there (243 Earth days) lasts longer than its entire year (225 Earth days).
ScienceDoes the Eiffel Tower Grow Taller in Summer?
The Eiffel Tower grows about 15 centimetres taller on hot summer days and shrinks back in winter — pure thermal expansion physics.