Science: quotes, facts and reflections - Page 12

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87Drive

67Stillness

468Wonder

Q1333

WonderScience

Iceland is one of the only inhabited places on Earth with virtually no mosquitoes.

Mosquitoes live on nearly every landmass, including the Arctic — yet Iceland has essentially none. The leading explanation is its unstable climate: Iceland's ponds freeze and thaw unpredictably, and mosquito larvae can't reliably complete their life cycle across those sudden swings. Neighbouring, colder places have them; Iceland's peculiar rhythm of freezes is what keeps them out. Sometimes it's timing, not harshness, that decides who survives.

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Q1334

WonderScience

A hummingbird can fly backwards, and its heart can beat over 1,000 times a minute.

Hummingbirds are the only birds that can truly hover and fly backwards, their wings tracing a figure-eight up to 80 times a second. Powering that costs an astonishing amount of energy: their hearts can race past 1,000 beats a minute, and to survive the night they drop into a deep, cold torpor that slows the body almost to a stop. They live their whole lives at the very edge of what a body can sustain.

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Q1336

WonderHistory

The first passengers of a hot-air balloon were a sheep, a duck and a rooster.

In September 1783, before risking a human, the Montgolfier brothers sent up a balloon over Versailles carrying three animals as a test — watched by King Louis XVI and a vast crowd. The eight-minute flight was meant to check whether the air high above was safe to breathe. All three landed unharmed, and two months later humans made the first crewed ascent. Progress, as often, sent the animals first.

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Q1337

WonderScience

Ice cores preserve tiny bubbles of ancient air, letting scientists read the atmosphere of worlds long gone.

As snow compresses into ice, it traps gases, dust and chemical clues. Antarctic ice cores can preserve climate records up to about 800,000 years, revealing past temperatures, greenhouse gases and volcanic eruptions from air sealed before human history.

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Q1338

WonderScience

Mangrove forests are both storm shields and carbon vaults.

Mangroves soften waves, reduce erosion and shelter coastal life. They also store blue carbon in roots and waterlogged sediments, where it can stay locked away for long periods. A coastline with mangroves is not just prettier; it is physically better defended.

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Q1339

WonderScience

Peatlands cover little land but store enormous carbon.

Peat forms when waterlogged plants decay very slowly. Although peatlands occupy a small share of land, they store a huge amount of soil carbon. When drained or burned, that ancient carbon returns to the air, which is why wet peat can be as climate-critical as forest.

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Q1340

WonderScience

Deep in the Arctic, the Svalbard Global Seed Vault stores backup seeds for the future of food.

It is designed as insurance against the loss of crop diversity from war, disaster, disease or neglect, storing duplicate seeds from gene banks around the world. The quiet idea is profound: civilisation depends on seeds, and seeds need memory too.

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Q1346

WonderScience

Lake Baikal is the world's oldest and deepest freshwater lake.

This Siberian rift lake is around 25 million years old and holds a huge share of Earth's unfrozen freshwater. It is less a lake than a living geological archive, with species and sediments that preserve deep time.

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Q1347

WonderScience

Some bristlecone pines are older than the Great Pyramid.

Certain Great Basin bristlecone pines are more than 4,800 years old. Their slow growth in cold, dry, harsh mountains helps them survive where easier-living trees would rot or fail. Longevity here is not abundance; it is discipline under pressure.

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Q1348

WonderScience

The healing ozone layer proves global cooperation can work.

The Montreal Protocol restricted chemicals that were destroying ozone. If current controls continue, the ozone layer is on track to recover across much of the world this century. It is rare environmental good news, and it happened because nations acted together.

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Q1349

WonderHealth

Henrietta Lacks's cells changed medicine, but they were taken without her consent.

HeLa cells became one of the most important human cell lines in research, helping studies of cancer, viruses and vaccines. The story is scientific history and medical ethics at once: progress can be real, and still force us to ask who paid for it.

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Q1350

WonderScience

Dolly was the first mammal cloned from an adult body cell.

Born in 1996 at the Roslin Institute, Dolly showed that a mature cell could be reprogrammed to create an entire animal. That changed how scientists thought about cell identity: a cell's fate was not as fixed as it once seemed.

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Q1351

WonderScience

A dead whale can become a deep-sea ecosystem for years, feeding scavengers, microbes and specialised communities in stages.

When a whale body sinks, it delivers a huge pulse of food to the dark seafloor. Different organisms arrive over time, from scavengers to bone-eating specialists and microbes. This matters because death in nature often becomes infrastructure for other lives. The lesson: endings can feed systems we rarely see.

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Q1352

WonderScience

A tracked young bar-tailed godwit flew from Alaska to Tasmania without landing.

USGS reports that B6, a four-month-old bar-tailed godwit, flew 8,425 miles (13,560 km) in 11 days. No food stop, no island rest, no refuel; just one continuous Pacific crossing by a bird still in its first year of life.

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Q1354

WonderHistory

A 13th-century prayer book hid lost Archimedes texts beneath its prayers.

The book was made by scraping and reusing older parchment, including a 10th-century copy of Archimedes. Danish scholar Johan Ludvig Heiberg recognized the hidden text in Constantinople in 1906; after a 1998 auction, imaging work at the Walters helped reveal more. Lost knowledge sometimes survives as a ghost under another book.

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Q1356

WonderScience

The coelacanth was thought extinct for millions of years — until one appeared alive in 1938.

Known from fossils, coelacanths were believed to have vanished long before humans existed. Then a living one was found off South Africa in 1938. The discovery did not stop evolution; it corrected our confidence about what the deep ocean might still be hiding.

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Q1357

WonderScience

An axolotl can regrow limbs and even parts of its spinal cord, showing how flexible healing can be in some animals.

Axolotls can rebuild complex tissues without the same scarring response humans usually have. Researchers study them to understand regeneration, development and repair, not because humans can simply copy the trick tomorrow. This matters globally for medicine and biology. The lesson: healing has possibilities nature has already tested.

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Q1358

WonderScience

Saturn's moon Titan has lakes and seas, but they are not made of water.

Titan is so cold that methane and ethane behave as liquids on its surface. NASA's Cassini mission showed a world with lakes, seas, clouds and rain — a hydrologic cycle that resembles Earth's, except the liquid is hydrocarbon instead of water.

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Q1359

WonderScience

Europa may hold more water than all of Earth's oceans beneath its ice.

NASA says scientists think Europa has a salty ocean under its icy crust, with about twice as much water as Earth's oceans combined. That is why the small Jovian moon is one of the most important places to search for ingredients of life beyond Earth.

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Q1365

WonderScience

About two billion years ago, nature created self-sustaining nuclear fission reactors in what is now Gabon.

At Oklo, natural uranium, water and geology aligned closely enough for fission to occur without human engineering. It is a humbling reminder that some “modern” technologies imitate processes the Earth discovered first.

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Q1371

WonderScience

The first image of a black hole was made by turning Earth itself into a kind of telescope.

The Event Horizon Telescope linked radio observatories across the planet to see the shadow of the black hole in galaxy M87. It was less a single camera than a global act of precision and patience.

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Q1372

WonderScience

Oxygen was once a planetary disruption before it became the breath of complex life.

During the Great Oxidation Event, oxygen rose in Earth's atmosphere billions of years ago. For many early microbes it was toxic; for later life, it opened the path to larger bodies, higher energy and eventually us.

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Q1373

WonderTechnology

The astrolabe compressed the moving sky into a handheld instrument of brass, mathematics and faith.

Used for astronomy, timekeeping, navigation and prayer, astrolabes travelled from ancient Greek science through the Islamic world into Europe. They show technology as both calculation and beauty.

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Q1379

WonderScience

Periodical cicadas spend 13 or 17 years underground, then rise together for a brief, astonishing chorus.

Their long synchronized cycles overwhelm predators by sheer numbers. The lesson is not speed, but timing: nature sometimes survives by waiting, then acting all at once.

Smithsonian / Purdue ExtensionRead card