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241.
The country with the most pyramids in the world is not Egypt — it’s Sudan, which has roughly 200 to 250 ancient pyramids, more than twice the number found in Egypt — built by the Kingdom of Kush between 700 BC and 300 AD, and largely overlooked by modern tourism because they sit in remote desert sites in a country most travelers cannot easily visit.
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▲ 0 · Jun 4
242.
In September 2023 a mega-tsunami in Greenland sent tremors around the entire planet for nine days and scientists have only just confirmed how
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▲ 0 · Jun 4
243.
The energy debate around AI keeps anchoring on the watt-hours behind a single prompt. The figure that actually matters is the 415 terawatt-hours the world’s data centres used in 2024, and the IEA’s projection that demand will roughly double by 2030.
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▲ 0 · Jun 4
244.
When Soviet engineers launched the N1 moon rocket from Baikonur in July 1969, it climbed about 200 metres before falling back onto Site 110 and exploding with an estimated seven kilotons of energy, destroying a launch pad in a disaster the USSR kept hidden for two decades
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▲ 0 · Jun 4
245.
It is impossible to burp in space, because in microgravity the human stomach cannot separate gas from the liquid and partially digested food it sits inside, and any attempt to burp expels a mixture of all three directly into the astronaut’s mouth.
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▲ 0 · Jun 4
246.
In December 1970, the Soviet Venera 7 probe became the first spacecraft to transmit from another planet, sending 23 minutes of faint temperature data from Venus after a torn parachute tipped it onto its side and buried its signal in what engineers first dismissed as tape noise
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▲ 0 · Jun 4
247.
A 2015 study put the planet’s tree count at more than three trillion, while the Milky Way holds perhaps 100 to 400 billion stars. The same study carried a sting, though: we have roughly halved the world’s trees since farming began.
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▲ 0 · Jun 4
248.
In 2025, NASA quietly opened the commander’s seat on private missions to the International Space Station to astronauts who never wore its patch, and the first man in line is Thomas Pesquet, a Frenchman who has commanded the station before and will return in 2027 flying for a California startup
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▲ 0 · Jun 4
249.
After analysing nearly 12,000 daily work diaries from 238 employees, Harvard researchers found that the strongest driver of a good inner work life wasn’t praise, pressure or incentives — it was making progress on meaningful work, even in small steps. They called it the progress principle.
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▲ 0 · Jun 4
250.
Seventy-three million years ago birds were nesting in the Arctic alongside dinosaurs and the same seasonal instinct that fills it every spring was already working then
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▲ 0 · Jun 4
251.
In June 2026, China rolled its brand-new Long March 12B onto a pad in the Gobi Desert, told no one, loaded the maiden flight with paying customers’ satellites — and the rocket built to land its booster never even tried.
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▲ 0 · Jun 4
252.
A 2010 Harvard study gathered a quarter of a million moments and found our minds wander about 47 per cent of waking life — and that drifting off, even to pleasant thoughts, leaves us no happier than staying with whatever we’re actually doing.
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▲ 0 · Jun 4
253.
Scientists say the gold in wedding rings, teeth, and family heirlooms was forged in cosmic catastrophes long before our sun existed
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▲ 0 · Jun 4
254.
Before Apollo 11 lifted off, the seamstresses at the Playtex bra factory in Delaware hand-stitched 21 layers of fabric into each spacesuit using sewing machines and a tolerance of one sixty-fourth of an inch, because no machine could be trusted with the only thing standing between Neil Armstrong and the vacuum of the Moon.
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▲ 0 · Jun 4
255.
The Pacific Ocean is so vast that every continent, every island, and every desert on Earth could fit inside it with room to spare, which is why calling our planet blue is almost an understatement
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▲ 0 · Jun 4
256.
Scientists say the oxygen you just breathed in was once the deadliest poison on the planet, released by tiny microbes that accidentally wiped out most of the life around them in what geologists call the Great Oxidation Event
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▲ 0 · Jun 4
257.
There is more freshwater locked inside the rocks of Earth’s mantle than in every river, lake, and surface reservoir on the planet combined, hidden in a mineral called ringwoodite hundreds of miles beneath your feet
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▲ 0 · Jun 4
258.
Nobody talks about why the Himalayas are still getting taller, and it isn’t erosion slowing down or new rock forming, it’s that India is still ramming into Asia at roughly the speed your fingernails grow
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▲ 0 · Jun 4
259.
In 1965, Soviet cosmonaut Alexei Leonov stepped outside Voskhod 2 for the first spacewalk in history, and his suit ballooned so badly in vacuum that he had to bleed oxygen through a valve to fit back inside before orbital darkness
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▲ 0 · Jun 4
260.
On a Saturday afternoon in May 2026, a rock about three feet across hit the atmosphere over New England at 75,000 mph and broke apart with the energy of roughly 300 tons of TNT, and the boom carried from Delaware to Montreal, farther than any fragment ever fell
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▲ 0 · Jun 4
261.
Thought of the day from Chinese philosopher Confucius: “To say you know when you know, and to say you do not when you do not, that is knowledge”
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▲ 0 · Jun 4
262.
Fossils found in Scotland just pushed back the origin of land-walking animals by 14 million years and placed them in a stretch of the fossil record where nothing was supposed to exist
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▲ 0 · Jun 4
263.
Quote by George Carlin: “Don’t just teach your children to read. Teach them to question what they read. Teach them to question everything.”
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▲ 0 · Jun 3
264.
In 2026, Kovi Rose traced a 1.3-hour radio pulse and matching X-ray flicker to ASKAP J1745-5051, a white-dwarf system so tight that the orbit itself appears to become the clock
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▲ 0 · Jun 3
265.
Scientists identify a cell type in the brain that was previously ignored and it may explain why human memory has no known upper limit
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▲ 0 · Jun 3
266.
JWST found a fully formed galactic bar where theory said one couldn’t possibly exist yet — and it quietly rewrites how the universe’s earliest giants stopped making stars
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▲ 0 · Jun 3
267.
A study of adults aged 62 to 92 found that basic motor control — drawing lines, placing dots — remains almost identical between people with and without cognitive impairment, meaning the hands stay capable long after the processes that organise thought have started to change
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▲ 0 · Jun 3
268.
The IKEA effect in the age of AI
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▲ 0 · Jun 3
269.
The Great Wall of China is not actually visible from space with the naked eye — astronauts from Apollo to the ISS have confirmed it — and the popular myth that it is predates space travel itself, with the best-known version coming from a 1932 Ripley’s Believe It or Not cartoon
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▲ 0 · Jun 3
270.
A cheetah can go from a standstill to about 60 miles an hour in roughly three seconds, out-accelerating many sports cars, but it can’t hold that speed for long
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▲ 0 · Jun 3