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CALCIUM CARBONATE
Science says sand isn’t always made from rocks: Some beaches are built from the remains of living things- In 2020, researchers tested a self-moistening hydrogel mat under solar panels; it cooled them by at least 10°C and boosted output by up to 19%
- In a 2025 study, researchers fired clay bricks with 10% eggshell powder; thermal conductivity was 50% lower than in untreated bricks
- In the 1950s, U.S. nuclear tests were conducted at Bikini and Enewetak; decades later, Guam corals preserved carbon-14 spikes linked to tests in 1954, 1956, and 1958Guam’s coral reefs act as natural historians, chronicling chemical footprints of Cold War-era nuclear tests. Distinct radiocarbon spikes fr...25 Aug, 2026, 04.29 PM IST
- In a five-year trial reported in 2025, scientists mixed discarded oyster shells into acidic farmland; peanut yields rose by up to 37%Researchers repurposed oyster shell waste to improve sour farmland in China. This five-year trial significantly boosted peanut crop yields ...19 Aug, 2026, 06.30 PM IST
- In 2018, scientists added up to 15 tons of cacao-shell biochar per hectare to degraded tropical soil; maize yields improved over several growing seasonsResearch indicates that using cacao-shell waste to create biochar has significantly improved agricultural yields on degraded farmland in Su...19 Aug, 2026, 03.00 PM IST
- Banana peel gardening hack: Stop burying banana peels in soil; try these 3 methods insteadBurying fresh banana peels directly in soil is not recommended for gardens. Microorganisms need time to break down peels, delaying nutrient...17 Aug, 2026, 11.56 PM IST
- Chemical sector: Although long, there is a way around China trouble; combine 20 stocks to get your portfolio’s chemistry rightFor the chemicals sector, it all depends on a transformation that is still unfolding and will take years to play out. Backward-integration ...17 Aug, 2026, 11.07 AM IST
- Cleaning piano keys with toothpaste: Why plain white paste can help, and which types to avoidOld pianos often feature stained keys which can be cleaned with toothpaste. The mild abrasives in plain white toothpaste lift grime without...11 Aug, 2026, 05.13 PM IST
- Scientists uncover how ancient Roman concrete became more durable over nearly 2,000 yearsResearchers have made significant strides in understanding the enduring nature of ancient Roman concrete, which has surprisingly withstood ...07 Aug, 2026, 02.32 AM IST
- Coffee grounds + eggshells for plants: Myth vs fact every home gardener should knowCoffee grounds and eggshells are popular gardening hacks, but science reveals a more nuanced picture. Used coffee grounds do not reliably l...04 Aug, 2026, 02.40 PM IST
- Can chalk replace air conditioning? France is putting the idea to the testFrance is experiencing a surge in demand for crushed chalk as a cooling solution. This traditional cleaning powder is applied to windows, r...30 Jul, 2026, 08.06 PM IST
- Why people spray vinegar on shower doors and the 15-minute trick that lifts cloudy hard-water depositsHard water minerals cause cloudy shower doors, leaving a chalky film behind. White vinegar, a weak acid, effectively dissolves these minera...27 Jul, 2026, 05.29 PM IST
- A toothpick could help your dishwasher last longer; the tiny holes most people forget to cleanClogged dishwasher spray arm nozzles reduce cleaning effectiveness and can be cleared with a toothpick. Food debris and mineral buildup fro...24 Jul, 2026, 06.25 PM IST
- US scientists poured 16,500 gallons of lye & bright pink dye into Gulf of Maine in first-of-its-kind 2025 experiment. Surprising reason has everything to do with climate changeScientists conducted an ocean alkalinity enhancement experiment in the Gulf of Maine. Diluted lye was released to increase the ocean's carb...21 Jul, 2026, 11.46 PM IST
- Atlantic Ocean discovery: Scientists uncover hidden source behind Lost City vents, offering clues to life beyond EarthScientists discovered superheated water deep beneath the seabed near Lost City. This water's chemical makeup matches the vents, indicating ...17 Jul, 2026, 12.07 PM IST
- A 1,900-year-old Roman toilet may have finally revealed why ancient concrete lasts for thousands of yearsAncient Roman concrete's remarkable durability is being studied through a 1,900-year-old toilet. This material contains calcite which forms...15 Jul, 2026, 07.26 PM IST
- Many people throw away aluminum foil after cooking, but cleaning experts say it can also help remove water stains and restore a faucet's shineHard water leaves stubborn mineral rings around faucets, which are difficult to remove. A crumpled ball of aluminum foil acts as a gentle s...15 Jul, 2026, 03.44 PM IST
- Eggshells are not kitchen waste. How gardeners use them to help plants thriveInstead of throwing eggshells away, gardeners can reuse them to support healthier plants and reduce kitchen waste. Made up of about 95% cal...13 Jul, 2026, 07.41 AM IST
- GNFC, CSMCRI develop new technology to treat wastesThe calcium carbonate generated is of high quality and is used as a raw material by industries manufacturing paints, paper, PVC pipes, toot...29 Sep, 2006, 05.40 PM IST
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