https://demekki.com/en/ Learn new and interesting facts every day! en Sat, 02 May 2026 13:49:18 GMT https://demekki.com/en/dailycard/snakes-are-cold-blooded-creatures/ https://demekki.com/en/dailycard/snakes-are-cold-blooded-creatures/ Sat, 02 May 2026 13:49:18 GMT Did you know that snakes are cold-blooded creatures? This characteristic plays an important role in their survival strategies. https://demekki.com/en/dailycard/cockroaches-live-for-a-week-after-their-heads-are-cut-off/ https://demekki.com/en/dailycard/cockroaches-live-for-a-week-after-their-heads-are-cut-off/ Thu, 05 Mar 2026 17:57:06 GMT Cockroaches can live for another week after their heads are cut off. This surprising fact highlights the resilience of these insects. https://demekki.com/en/dailycard/factors-determining-the-taste-of-apple-onion-and-potato/ https://demekki.com/en/dailycard/factors-determining-the-taste-of-apple-onion-and-potato/ Wed, 04 Mar 2026 02:26:58 GMT The taste of apples, onions, and potatoes is different; taste is influenced by the interaction of chemical compounds and aroma. https://demekki.com/en/dailycard/counting-24-hours-a-day-to-reach-1-trillion-takes-31-thousand-years/ https://demekki.com/en/dailycard/counting-24-hours-a-day-to-reach-1-trillion-takes-31-thousand-years/ Wed, 04 Mar 2026 02:11:25 GMT Counting 24 hours a day to reach 1 trillion takes exactly 31,688 years. Is this information correct? Yes, it has been scientifically proven. https://demekki.com/en/dailycard/if-you-heat-grapes-in-the-microwave-they-will-explode/ https://demekki.com/en/dailycard/if-you-heat-grapes-in-the-microwave-they-will-explode/ Wed, 04 Mar 2026 01:55:18 GMT Grapes are a fruit that bursts when heated in the microwave. Do you want to know why? https://demekki.com/en/dailycard/sharks-are-older-than-dinosaurs/ https://demekki.com/en/dailycard/sharks-are-older-than-dinosaurs/ Tue, 03 Mar 2026 23:29:39 GMT Sharks appeared 220 million years before dinosaurs. The first sharks began to live in the seas 450 million years ago. https://demekki.com/en/dailycard/a-day-on-venus-lasts-longer-than-a-year/ https://demekki.com/en/dailycard/a-day-on-venus-lasts-longer-than-a-year/ Tue, 03 Mar 2026 23:00:31 GMT A day on the planet Venus lasts 243 Earth days, while it completes its orbit around the Sun in 225 days. https://demekki.com/en/dailycard/flamingos-are-born-white-the-reason-they-turn-pink/ https://demekki.com/en/dailycard/flamingos-are-born-white-the-reason-they-turn-pink/ Tue, 03 Mar 2026 22:13:52 GMT Flamingos are born white; the reason they are pink is due to the pigments in the shrimp they eat. If you're curious, read on for the details! https://demekki.com/en/dailycard/jellyfish-have-no-heart-brain-or-blood/ https://demekki.com/en/dailycard/jellyfish-have-no-heart-brain-or-blood/ Tue, 03 Mar 2026 21:50:11 GMT Ninety-five percent of jellyfish are made up of water, and they have neither a brain, nor a heart, nor blood. With these intriguing characteristics, they are a… https://demekki.com/en/dailycard/the-entire-human-brain-is-used/ https://demekki.com/en/dailycard/the-entire-human-brain-is-used/ Tue, 03 Mar 2026 21:04:57 GMT People use their brains fully, but not all areas are active at the same time. Different regions of the brain are activated for different tasks. https://demekki.com/en/dailycard/a-cats-age-1-year-equals-15-human-years/ https://demekki.com/en/dailycard/a-cats-age-1-year-equals-15-human-years/ Tue, 03 Mar 2026 17:45:24 GMT The aging process of cats is quite interesting compared to humans. In their first year, they reach the equivalent of 15 human years, and by their second year,… https://demekki.com/en/dailycard/hapsirik-beyin-hucrelerine-zarar-vermez/ https://demekki.com/en/dailycard/hapsirik-beyin-hucrelerine-zarar-vermez/ Tue, 03 Mar 2026 15:02:42 GMT Sneezing is a natural response developed by our body to clear irritants from the nose and throat. This reflex helps prevent dust, pollen, or microbes in the ai… https://demekki.com/en/dailycard/octopuses-have-three-hearts-and-blue-blood/ https://demekki.com/en/dailycard/octopuses-have-three-hearts-and-blue-blood/ Tue, 03 Mar 2026 14:48:27 GMT Octopuses, as the mysterious creatures of the seas, have three hearts. Two hearts pump blood to the gills, while one pumps it to the body. https://demekki.com/en/dailycard/honey-bees-describe-the-location-of-flowers-by-dancing/ https://demekki.com/en/dailycard/honey-bees-describe-the-location-of-flowers-by-dancing/ Tue, 03 Mar 2026 14:46:01 GMT Honey bees show each other the location of flowers with their dances. This dance carries information about direction and distance. https://demekki.com/en/dailycard/covering-your-nose-while-sneezing-can-damage-your-eardrum/ https://demekki.com/en/dailycard/covering-your-nose-while-sneezing-can-damage-your-eardrum/ Tue, 03 Mar 2026 14:25:25 GMT Did you know that covering your nose while sneezing doesn't affect your eyes? However, it can damage your eardrum. https://demekki.com/en/dailycard/ostriches-eyes-are-bigger-than-their-brains/ https://demekki.com/en/dailycard/ostriches-eyes-are-bigger-than-their-brains/ Tue, 03 Mar 2026 12:23:02 GMT Ostriches have eyes that are larger than their brains. This interesting feature allows them to see their surroundings better. https://demekki.com/en/dailycard/you-come-into-the-world-with-270-bones/ https://demekki.com/en/dailycard/you-come-into-the-world-with-270-bones/ Tue, 03 Mar 2026 11:57:50 GMT When people are born, they come into the world with 270 bones. As they grow, this number decreases to 206. Take a look at more information about this extraordi… https://demekki.com/en/dailycard/cows-produce-more-milk-while-listening-to-music/ https://demekki.com/en/dailycard/cows-produce-more-milk-while-listening-to-music/ Tue, 03 Mar 2026 10:35:49 GMT It has been observed that cows experience an increase in milk production while listening to music. This situation may affect the animals' mood. https://demekki.com/en/dailycard/the-secret-of-the-dust-in-your-home-dead-skin-particles/ https://demekki.com/en/dailycard/the-secret-of-the-dust-in-your-home-dead-skin-particles/ Tue, 03 Mar 2026 10:28:14 GMT A large part of the dust particles in your home is made up of dead skin. Skin shedding is a part of our daily lives. https://demekki.com/en/dailycard/coffee-a-beverage-rich-in-history-and-culture/ https://demekki.com/en/dailycard/coffee-a-beverage-rich-in-history-and-culture/ Mon, 02 Mar 2026 17:58:22 GMT Coffee is consumed in various ways across different cultures around the world. Caffeine increases alertness. The legend of Khaldi sparks debates about the orig… https://demekki.com/en/dailycard/messi-the-legend-of-football-with-8-ballon-d-ors/ https://demekki.com/en/dailycard/messi-the-legend-of-football-with-8-ballon-d-ors/ Sun, 01 Mar 2026 17:17:51 GMT Lionel Messi has etched his name in football history by winning 8 Ballon d'Or awards. The number of goals he has scored so far continues to be a topic of curio… https://demekki.com/en/dailycard/do-crows-really-live-for-100-years/ https://demekki.com/en/dailycard/do-crows-really-live-for-100-years/ Sun, 01 Mar 2026 14:31:08 GMT Interesting facts about the lifespan of crows. https://demekki.com/en/dailycard/the-intelligence-and-social-life-of-dolphins/ https://demekki.com/en/dailycard/the-intelligence-and-social-life-of-dolphins/ Sun, 01 Mar 2026 14:22:49 GMT The intelligence and social structure of dolphins are being explored. https://demekki.com/en/dailycard/a-balls-bounce-is-a-deal-made-with-the-ground/ https://demekki.com/en/dailycard/a-balls-bounce-is-a-deal-made-with-the-ground/ Wed, 18 Feb 2026 01:46:06 GMT The same ball ‘dies’ on grass, pops on hardwood, slides on clay. Bounce is set by the ball+surface pair—elasticity and friction—and that sets the speed of the… https://demekki.com/en/dailycard/a-calendar-reform-created-missing-days/ https://demekki.com/en/dailycard/a-calendar-reform-created-missing-days/ Wed, 18 Feb 2026 01:46:06 GMT When calendars were corrected, people woke up to find several days ‘skipped.’ As errors accumulated, the fix was blunt: dates jumped forward and some days neve… https://demekki.com/en/dailycard/a-map-mistake-was-repeated-for-centuries/ https://demekki.com/en/dailycard/a-map-mistake-was-repeated-for-centuries/ Wed, 18 Feb 2026 01:46:06 GMT On old maps, a single line can replace reality. When copyists repeat the same error, it starts to look true—mistakes multiply in ink and travel through time. https://demekki.com/en/dailycard/a-melody-can-act-like-a-time-machine-in-the-brain/ https://demekki.com/en/dailycard/a-melody-can-act-like-a-time-machine-in-the-brain/ Wed, 18 Feb 2026 01:46:06 GMT Some songs teleport you years back in a second. Music triggers emotion and memory networks together, so one melody can revive an era with its full feeling and… https://demekki.com/en/dailycard/a-palace-fashion-shifted-a-continents-taste/ https://demekki.com/en/dailycard/a-palace-fashion-shifted-a-continents-taste/ Wed, 18 Feb 2026 01:46:06 GMT Sometimes a palace preference spills into everyday life. From fabric and color to hair and table manners, fashion that starts ‘up top’ spreads through trade an… https://demekki.com/en/dailycard/absolute-zero-is-a-wall-you-cant-reach/ https://demekki.com/en/dailycard/absolute-zero-is-a-wall-you-cant-reach/ Wed, 18 Feb 2026 01:46:06 GMT −273.15°C looks like a target, but physics says you can approach it, not reach it. As you cool, the remaining energy is harder to remove; each step costs more… https://demekki.com/en/dailycard/an-octopus-can-taste-and-decide-with-its-arms/ https://demekki.com/en/dailycard/an-octopus-can-taste-and-decide-with-its-arms/ Wed, 18 Feb 2026 01:46:06 GMT Octopus arms don’t just grab—they can chemically sense and ‘taste.’ And their nerves are strong in the arms, so part of decision-making happens locally, not on… https://demekki.com/en/dailycard/chocolates-snap-comes-from-crystal-structure/ https://demekki.com/en/dailycard/chocolates-snap-comes-from-crystal-structure/ Wed, 18 Feb 2026 01:46:06 GMT Well-tempered chocolate breaks with a clean snap. That’s because cocoa butter crystals are arranged in the right form—bringing shine and that satisfying break. https://demekki.com/en/dailycard/cutting-onions-is-a-chemical-tear-trap/ https://demekki.com/en/dailycard/cutting-onions-is-a-chemical-tear-trap/ Wed, 18 Feb 2026 01:46:06 GMT When you cut an onion, cells burst and sulfur compounds go airborne. They react at your eyes to form a mild acid—tears are your eyes washing themselves clean. https://demekki.com/en/dailycard/face-blindness-isnt-not-seeing-its-not-recognizing/ https://demekki.com/en/dailycard/face-blindness-isnt-not-seeing-its-not-recognizing/ Wed, 18 Feb 2026 01:46:06 GMT Some people see faces clearly but can’t recognize them: prosopagnosia. They rely on voice, gait, or hair cues—crowds become puzzles. https://demekki.com/en/dailycard/first-impressions-are-drawn-in-milliseconds/ https://demekki.com/en/dailycard/first-impressions-are-drawn-in-milliseconds/ Wed, 18 Feb 2026 01:46:06 GMT The moment you see a face, a ‘trustworthy?’ feeling can appear. The brain builds a fast model from limited data, and that model can bend new information to fit… https://demekki.com/en/dailycard/in-tennis-spin-is-air-touching-the-ball/ https://demekki.com/en/dailycard/in-tennis-spin-is-air-touching-the-ball/ Wed, 18 Feb 2026 01:46:06 GMT When you add spin, the path curves like magic. In reality, rotation makes airflow asymmetric; pressure differences push the ball sideways, and spin can shift t… https://demekki.com/en/dailycard/many-famous-statues-were-born-incomplete/ https://demekki.com/en/dailycard/many-famous-statues-were-born-incomplete/ Wed, 18 Feb 2026 01:46:06 GMT Broken noses and missing arms feel like time’s damage, yet some works were designed in parts from the start. Workshop transport and assembly can shape a statue… https://demekki.com/en/dailycard/memories-get-recolored-every-time-you-recall-them/ https://demekki.com/en/dailycard/memories-get-recolored-every-time-you-recall-them/ Wed, 18 Feb 2026 01:46:06 GMT Recalling a memory isn’t pulling it off a shelf—it’s rewriting it. Each recall can update details, so the scene you’re sure about may be the latest edit. https://demekki.com/en/dailycard/name-effect-your-name-can-nudge-life-choices/ https://demekki.com/en/dailycard/name-effect-your-name-can-nudge-life-choices/ Wed, 18 Feb 2026 01:46:06 GMT Some psychology findings suggest we prefer things that resemble ourselves. That’s why name letters can subtly nudge preferences—even cities or careers—by a tin… https://demekki.com/en/dailycard/quantum-tunneling-means-passing-through-a-wall/ https://demekki.com/en/dailycard/quantum-tunneling-means-passing-through-a-wall/ Wed, 18 Feb 2026 01:46:06 GMT In the classical world a wall is a stop; in quantum it can be a probability. A particle can appear on the other side even without ‘enough’ energy, and the effe… https://demekki.com/en/dailycard/seahorses-live-in-a-world-where-males-get-pregnant/ https://demekki.com/en/dailycard/seahorses-live-in-a-world-where-males-get-pregnant/ Wed, 18 Feb 2026 01:46:06 GMT In seahorses, males carry the eggs: the female deposits them into the male’s pouch and ‘pregnancy’ begins there. This flip reshapes mate choice and parental ca… https://demekki.com/en/dailycard/some-materials-harden-on-impact-then-soften-again/ https://demekki.com/en/dailycard/some-materials-harden-on-impact-then-soften-again/ Wed, 18 Feb 2026 01:46:06 GMT Some fluids can turn rock-hard under impact: stir or hit fast and viscosity jumps. When force stops, it returns to normal—there are ‘liquid’ materials that act… https://demekki.com/en/dailycard/some-reforms-changed-the-paper-not-the-money/ https://demekki.com/en/dailycard/some-reforms-changed-the-paper-not-the-money/ Wed, 18 Feb 2026 01:46:06 GMT Sometimes history kept value but changed the carrier: coin to paper, seal to serial number. Trust shifts from metal to the system that guarantees it. https://demekki.com/en/dailycard/some-rivers-change-their-course-with-the-seasons/ https://demekki.com/en/dailycard/some-rivers-change-their-course-with-the-seasons/ Wed, 18 Feb 2026 01:46:06 GMT A riverbed isn’t as fixed as it looks. When rains swell flow, sand and gravel move; bends shift, and a river can abandon an old path and carve a new one. https://demekki.com/en/dailycard/space-has-no-sound-yet-it-has-a-background-hum/ https://demekki.com/en/dailycard/space-has-no-sound-yet-it-has-a-background-hum/ Wed, 18 Feb 2026 01:46:06 GMT Sound can’t travel in space, yet the universe carries a leftover trace. The cosmic microwave background behaves like the oldest light from the Big Bang, mappin… https://demekki.com/en/dailycard/stadium-noise-can-nudge-referee-decisions/ https://demekki.com/en/dailycard/stadium-noise-can-nudge-referee-decisions/ Wed, 18 Feb 2026 01:46:06 GMT Home advantage isn’t only the pitch—it’s the ear. Crowd reactions create pressure, and referees may unconsciously interpret close calls more for the home side.… https://demekki.com/en/dailycard/turtles-can-determine-sex-by-temperature/ https://demekki.com/en/dailycard/turtles-can-determine-sex-by-temperature/ Wed, 18 Feb 2026 01:46:06 GMT In some turtles, hatchling sex depends on incubation temperature. Even within one nest, a few degrees can produce a very different next generation. https://demekki.com/en/dailycard/we-dont-see-dark-matter-but-we-read-its-effects/ https://demekki.com/en/dailycard/we-dont-see-dark-matter-but-we-read-its-effects/ Wed, 18 Feb 2026 01:46:06 GMT Most of the universe may be invisible: dark matter emits no light, yet gives itself away through gravity. Galaxy rotation and lensing hint at an unseen ‘skelet… https://demekki.com/en/dailycard/whales-can-map-with-song/ https://demekki.com/en/dailycard/whales-can-map-with-song/ Wed, 18 Feb 2026 01:46:06 GMT Whale song isn’t just communication—sound travels for kilometers in the ocean. Echo and transmission differences can help read the environment, letting them ‘k… https://demekki.com/en/dailycard/why-nights-feel-cooler-earths-slow-exhale/ https://demekki.com/en/dailycard/why-nights-feel-cooler-earths-slow-exhale/ Wed, 18 Feb 2026 01:46:06 GMT Sun warms the surface by day; at night the surface loses heat by radiating it into space. Clouds, humidity, and wind change this ‘heat escape,’ making some nig… https://demekki.com/en/dailycard/a-bicycle-stays-up-by-constantly-self-correcting/ https://demekki.com/en/dailycard/a-bicycle-stays-up-by-constantly-self-correcting/ Wed, 18 Feb 2026 01:06:47 GMT Bike balance isn’t magic—it’s the sum of instant corrections. As wheels spin, steering and center of mass keep adjusting; without rapid tiny fixes, a fall foll…