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Hidden Oceans: Mini‑Neptunes May Conceal Vast Water Below Their Atmospheres, Evading JWST
https://www.bioscience.com.pk/en/subject/physics/scientists-say-the-galaxys-most-common-planets-could-be-hiding-vast-amounts-of-water-that-webb-may-not-be-able-to-detectA new study warns the James Webb Telescope might overlook hidden water on distant exoplanets, raising doubts about its detection limits. Mini‑Neptunes—planets a bit smaller than Neptune yet less dense than Earth—have long confounded astronomers because...
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Ancient Water Signs Revealed in Spirit Rover Data After 20 Years
https://www.bioscience.com.pk/en/subject/space-science/scientists-found-signs-of-ancient-martian-water-hidden-in-rover-data-everyone-had-already-seenReanalysis of NASA rover data uncovers subtle new evidence on Mars, revealing secrets missed in the original measurements. NASA’s Spirit rover has not revealed a fresh water source on the Red Planet. Instead, a fresh look at two‑decade‑old data shows...
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Failed Mega Rice Project’s 4,500‑km Canal Network Still Drains Peatlands
https://www.bioscience.com.pk/en/subject/ecology/since-1996-4-600-km-of-canals-have-scarred-indonesian-land-for-rice-paddies-that-never-produced-a-harvestBorneo’s abandoned rice megaproject cut 4,475 km of canals through peatlands, leaving lasting damage that still hampers restoration efforts. Trials that blocked drainage canals in Central Kalimantan succeeded in raising water levels across peatlands...
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Mars Gullies Are Not Formed By Water And Scientists Finally Know Why
https://www.bioscience.com.pk/en/subject/space-science/scientists-discover-why-mars-has-earth-like-gullies-without-a-single-drop-of-liquid-waterScientists once believed flowing water carved Mars’ mysterious channels. New research reveals the surprising, icy truth behind these alien landscapes. For years, the rugged, carved terrain of Mars has teased planetary scientists with the suggestion of...
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Density (Specific Gravity)
https://www.bioscience.com.pk/en/topics/biochemistry/density-specific-gravityWhat is specific gravity? Learn its definition, measurement, applications, and significance in diverse fields. When it comes to understanding the physical properties of liquids, one term that frequently surfaces is specific gravity. This fundamental...
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Laboratory Tests to Evaluate Tubular Function
https://www.bioscience.com.pk/en/topics/pathology/laboratory-tests-to-evaluate-tubular-functionDiscover lab tests assessing proximal and distal tubular function. Explore their significance in diagnosing renal disorders. These diagnostic assessments are designed to evaluate the performance of two crucial components of the kidney – the proximal...
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Why Driving Faster In Rain Increases Hydroplaning Risk And How To Stay Safe
https://www.bioscience.com.pk/en/subject/technology/what-causes-hydroplaning-and-how-you-can-prevent-itStudy reveals key safety tips for driving in rain, helping you handle wet roads and avoid accidents. A recent investigation by engineers at the University of Georgia has shed fresh light on the dynamics that cause tires to lose traction on...
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Curiosity Discovers Wave‑Formed Ripples in Ancient Martian Lake, Extending Water Timeline
https://www.bioscience.com.pk/en/subject/space-science/scientists-uncover-strong-evidence-of-ancient-liquid-water-on-mars-not-just-frozen-iceNASA Curiosity discovers wave‑shaped ridges in hard rock, hinting at a new water history on Mars that could rewrite the planet’s final chapter. High on the slopes of Mount Sharp, a narrow strip of unusually tough rock preserves a series of evenly...
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Rain Turns Water Column Into Giant Piston, Reversing Airflow at Sanford Lab
https://www.bioscience.com.pk/en/subject/science/engineers-couldnt-explain-this-underground-mystery-until-they-tracked-what-rain-was-really-doingHeavy rain triggers mysterious underground activity; engineers spent years uncovering the cause of the surprising events deep below the surface. Heavy rainfall has been causing surprising shifts in the airflow deep within the Sanford Underground...
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Light-Induced Contactless Friction Slows Graphene Nanotubes in Water
https://www.bioscience.com.pk/en/subject/physics/light-just-did-something-physicists-thought-was-impossible-it-created-friction-without-contactScientists discover light‑induced friction in graphene, where photo‑driven electron shifts hinder movement in water without contact. A team of physicists has uncovered a novel form of drag that slows graphene nanotubes in water when they are...
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PREPARATION OF BLOOD SMEAR (WEDGE METHOD)
https://www.bioscience.com.pk/en/topics/microbiology/preparation-of-blood-smear-by-wedge-method(1) A small drop of blood (2-3 mm in diameter) is placed in the center line about 1 cm away from one end of a glass slide (typical size of slide is 75 × 25 mm; thickness about 1mm) with a wooden stick or glass capillary. Slide should be clean, dry, and...
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Astronomers May Have Just Spotted Icy Comets Delivering Water to a Forming Solar System
https://www.bioscience.com.pk/en/subject/astronomy/astronomers-spot-signs-of-comets-transporting-water-to-a-young-solar-system-pds-70Astronomers have discovered fast-moving sodium clouds in the young PDS 70 system, suggesting comets are actively transporting water to new planets. A distant stellar system, located 370 light-years away, appears to be mirroring the early history of our...
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Moonquakes Reveal Hidden Ice Beneath Lunar South Pole Paving Way For Artemis
https://www.bioscience.com.pk/en/subject/environmental-science/scientists-say-moonquakes-may-reveal-hidden-ice-beneath-the-lunar-surfaceMoonquakes may pinpoint hidden lunar ice, offering a breakthrough that could reshape Artemis mission planning. A novel approach that listens to the Moon’s own tremors could soon reveal hidden stores of water ice at the lunar south pole, offering a...
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Stool Test for Ova and Parasites (O&P)
https://www.bioscience.com.pk/en/topics/pathology/stool-examination-for-ova-and-parasitesLearn how to diagnose parasitic infections through stool tests. Learn about the clinical features, life cycles, and laboratory methods for identifying Taenia saginata, Strongyloides stercoralis, and Enterobius vermicularis, ensuring accurate detection....
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Water Behaves Differently on the Moon and It Could Change How We Grow Food in Space
https://www.bioscience.com.pk/en/subject/astronomy/water-on-the-moon-behaves-differently-than-expected-and-that-could-reshape-how-astronauts-grow-foodNew research reveals how lunar gravity alters water flow, posing significant challenges for future efforts to grow plants on the Moon. Water management on the Moon may present a much steeper engineering challenge than previously anticipated. Recent...
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Scientists Create Bizarre Ice That Stays Solid at 2,000 Degrees Celsius
https://www.bioscience.com.pk/en/subject/astronomy/scientists-forced-water-into-a-bizarre-new-state-of-matter-that-may-explain-uranus-and-neptunes-strange-mgnetic-fieldsScientists have recreated extreme conditions to discover a mysterious new state of water that may exist deep within the interiors of distant planets. Researchers have successfully engineered a paradoxical form of ice that remains solid even at...
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New High Resolution Map Reveals Massive Hidden Groundwater Reserves Beneath The United States
https://www.bioscience.com.pk/en/subject/space-science/scientists-discover-enough-groundwater-under-the-us-to-fill-the-great-lakes-13-timesNew research reveals US groundwater reserves reach 306,500 cubic kilometers, significantly surpassing previous estimates based on surface water data. Researchers have developed a groundbreaking high-resolution map of groundwater across the contiguous...
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Periodic Acid-Schiff (PAS) Stain: Purpose, Principle, Procedure, and Interpretation
https://www.bioscience.com.pk/en/topics/pathology/periodic-acid-schiff-stain-purpose-principle-procedure-and-interpretationPeriodic Acid-Schiff (PAS) stain detects carbohydrates, fungi, glycogen. Learn purpose, procedure, interpretation for diagnosing fungal infections, glycogen storage disorders, and tumors. The Periodic Acid-Schiff (PAS) stain is a histochemical method...
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How to Poach an Egg: Easy Methods for Perfect Poached Eggs
https://www.bioscience.com.pk/en/topics/food/how-to-poach-an-eggHow to poach an egg with simple, foolproof methods including traditional, microwave, and egg poacher techniques. Quick tips, and a poached egg recipe to elevate your breakfast. Poaching an egg might sound fancy, but it’s actually a super simple way to...
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Habitable Worlds Could Have Emerged Only 200 Million Years After The Big Bang
https://www.bioscience.com.pk/en/subject/astronomy/life-in-the-universe-may-have-formed-less-than-300-million-years-after-the-big-bangNew research suggests that water-rich worlds could have formed just 300 million years after the Big Bang, potentially pushing back the timeline for life. New evidence suggests that the essential chemical ingredients for life may have permeated the...