Science & Space

Woodpeckers forced NASA to roll Space Shuttle Discovery off its launch pad in 1995. Northern flickers pecked about 200 holes and marks into its giant fuel tank, some about 4 inches across. Repairs at the pad failed, so the stack went back to the Vehicle Assembly Building and a launch set for as early as June 8 slipped to July 13.

More than 17 million people worldwide dumped ice water on their own heads in 2014, and the Ice Bucket Challenge helped pay for Project MinE, a global hunt for ALS genes. In 2016 its team of more than 80 scientists in 11 countries found NEK1, a gene whose variants turn up in nearly 3 percent of ALS cases in North America and Europe.

Sue, the T. rex at Chicago's Field Museum, was found because of a flat tire. In 1990, a South Dakota fossil crew drove into town to fix it, but Sue Hendrickson stayed behind and walked her dog to cliffs the crew had not checked. Giant bones jutted from the rock above her, part of one of the most complete T. rex skeletons ever found. The skeleton still carries her name.

On Hubble's last repair mission, astronaut Mike Massimino stripped one screw. It held a handrail blocking a dead instrument behind 111 more screws. The ground team tested a fix and sent up the plan: brute force. So Massimino, who later played himself on The Big Bang Theory, tore the handrail off by hand. The instrument he helped fix still measures starlight.

Roy Sullivan, a US park ranger, was struck by lightning 7 times between 1942 and 1977 - and survived every one. The bolts burned off his eyebrows, set his hair on fire more than once, seared his shoulder, and blew the nail off one toe. He took to carrying a can of water in his truck to put himself out. Co-workers started avoiding him in storms. Guinness lists him as the most lightning-struck person in history.

Hubble launched in 1990 with a $1.5 billion price tag - and a mirror ground to the wrong shape. The error was just 2 microns off, about 1/50th the width of a human hair, but enough to leave the telescope nearly blind. NASA became a late-night punchline. In December 1993, astronauts spent 35 hours across five spacewalks installing corrective optics in orbit. The images that came back were perfect.

Lee Berger found 1,550 fossils of an unknown human species in South Africa's Rising Star cave. The only way in was an 18-cm gap. He couldn't fit. He posted on Facebook for scientists slim enough to squeeze through. Six women answered. They crawled in and pulled out Homo naledi - a lost branch of humanity. Eight years later, Berger lost 25 kg and finally made it in himself.

A forest of 47,000 aspen trees in Utah is actually one single organism. Every trunk connects underground to the same root system. The colony is called Pando, and it covers 106 acres. It weighs an estimated 6,000 metric tons - one of the heaviest living things ever found. That root system may be up to 16,000 years old. One tree. 80 football fields.

When ocean waves glow electric blue at night, the light comes from millions of living creatures. Dinoflagellates - microscopic plankton - carry a chemical called luciferin that flashes the instant water is disturbed. It is a defense: the burst of light summons predators of whatever is eating them. Mosquito Bay on Vieques, Puerto Rico holds the Guinness World Record for the brightest bioluminescent bay, with 700,000 glowing organisms per gallon.

Microsoft built a room so quiet it measures -20.35 dBA - well below the threshold of human hearing. The walls absorb everything. Your body fills the silence: heartbeat, breathing, stomach, the buzz of your own inner ears. Visitors lose their sense of balance. You become the sound.

Deep inside Neptune and Uranus, heat and pressure squeeze carbon from methane into diamonds that sink toward the core. In 2017, scientists at SLAC recreated the conditions and watched diamonds form.

In 1901, sponge divers exploring a 2,000-year-old shipwreck off Greece hauled up a corroded lump of bronze. Decades of scanning revealed what it was: a mechanical computer of around 30 interlocking gears that tracked the Sun, Moon and planets and predicted eclipses. Nothing this complex appears again for more than a thousand years.

A 9-year-old found a 15-million-year-old megalodon tooth on Christmas morning. She wants to be a paleontologist.

In 2019, scientists extracted a complete human genome from a 5,700-year-old wad of chewed birch pitch found at Syltholm, Denmark. It belonged to a young woman with dark skin, dark hair, and blue eyes. They even recovered DNA from her last meal: duck and hazelnuts.

Workers at a Scottish nuclear facility were decommissioning a plutonium plant, but the expensive industrial cleaners were not working. Then one worker remembered a Cillit Bang TV ad for a £1.99 bathroom cleaner. They tried it. It worked so well that other UK nuclear sites called to ask about it.

Every other planet in the solar system can fit between Earth and the Moon - with roughly 4,400 km to spare.

About 2% of people worldwide can hear a mysterious low-frequency humming sound known as "The Hum" — and despite decades of research, no one has been able to fully explain it.

When you clap, the sound you hear isn't skin hitting skin. It's Helmholtz resonance — air trapped between your palms gets compressed and shoots out at up to 90 m/s, vibrating like blowing across a bottle. Cupped hands = deeper clap. Flat hands = sharper clap.

Jupiter produces lightning bolts up to 1,000 times more powerful than anything on Earth, generated by towering clouds of ammonia and water that don't exist anywhere else in the solar system. NASA's Juno spacecraft discovered that ammonia vapour melts high-altitude ice crystals on Jupiter, creating an exotic 'antifreeze' cloud system that generates these extreme electrical discharges.

Over 90% of land plants are connected through underground fungal networks called mycorrhizae, which allow trees to share nutrients, water, and chemical signals with each other—a system scientists call the 'Wood Wide Web.'