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Scientists Discover Why Elephant-Digested Coffee Is Less Bitter
https://www.bioscience.com.pk/en/subject/biology/scientists-discover-why-elephant-digested-coffee-is-less-bitterIvory Coffee production. The other three had not eaten coffee and acted as a comparison group. The team studied bacterial DNA using a method called 16S rRNA sequencing. This technique allows scientists to identify bacteria by reading a small but...
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The Human Heart Shows a Surprising Ability to Repair Itself, New Study Finds
https://www.bioscience.com.pk/en/subject/health/the-human-heart-shows-a-surprising-ability-to-repair-itself-new-study-findsthe same process happens in people. Most previous human studies relied on indirect clues, such as measuring carbon levels in DNA or tracking protein markers that suggest cell turnover. These methods were useful, but they did not show actual cell...
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Drug-Resistant Typhoid Is Spreading Across Borders, Genomes Reveal a Global Pattern
https://www.bioscience.com.pk/en/subject/genetics/drug-resistant-typhoid-is-spreading-across-borders-genomes-reveal-a-global-patternof these belonged to the H58 lineage. In earlier decades, resistance genes were often carried on plasmids, which are mobile DNA elements. Over time, many H58 strains integrated these resistance genes into their chromosomes. This shift allows resistance...
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Extreme Microbe Survives Mars-Like Impact Forces, Experiments Show
https://www.bioscience.com.pk/en/subject/space-science/extreme-microbe-survives-mars-like-impact-forces-experiments-showdescribed as a polyextremophile, it is famous for surviving extraordinary doses of radiation that would shred most organisms’ DNA beyond repair. It also tolerates dehydration, cold, vacuum, and acidic environments. If any microbe had a chance of...
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New Gene-Control Drug Reverses Alzheimer’s Memory Loss in Mice
https://www.bioscience.com.pk/en/subject/health/new-gene-control-drug-reverses-alzheimers-memory-loss-in-miceproteins drive the disease. But the brain is governed by something deeper than proteins alone. Every cell carries the same DNA, yet not every gene is active at all times. Cells rely on a regulatory system, known as the epigenome, to control which genes...
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Chloroplast‑Engineered Lettuce Yields Animal Myoglobin, Paving Way for Better Meat Alternatives
https://www.bioscience.com.pk/en/subject/biotechnology/the-future-of-meat-could-start-with-lettuce-after-scientists-make-a-surprising-breakthroughand lettuce seedlings. Molecular analysis confirmed successful integration of the transgenes into the circular chloroplast DNA of a subset of seedlings. The transformed plants were allowed to flower, set seed, and their progeny retained the inserted...
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Tiny Thai Dragon Named After Game of Thrones Threatened by Habitat Loss
https://www.bioscience.com.pk/en/subject/biology/meet-the-tiny-dragon-from-thailand-with-a-name-borrowed-from-westerosincluding a yellow‑green tint, modest body size and an unusually large egg clutch. Beyond external traits, the team examined DNA from two mitochondrial genes, ND2 and COI, to compare the specimens with other Acanthosaura species. The genetic analysis...
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Scientists Discover New Species Of Tiny Wild Cat Hiding In The Forests Of Bolivia
https://www.bioscience.com.pk/en/subject/biology/a-cat-smaller-than-a-house-cat-was-hiding-in-bolivias-forests-scientists-just-found-it-was-a-new-speciesScientists have uncovered a long-hidden evolutionary secret within the DNA of a small South American cat, revealing a discovery kept invisible for generations. For more than a century, the diverse populations of small, spotted felines roaming the...
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Scientists May Have Solved the Mystery of How Life’s Essential Sugar Survived on Early Earth
https://www.bioscience.com.pk/en/subject/chemistry/this-sugar-from-space-rocks-turns-to-brown-goop-under-heat-until-scientists-found-the-element-that-protects-itthat early biological molecules relied on RNA to store genetic information and catalyze reactions before the emergence of DNA. While carbonaceous asteroids like Bennu have demonstrated that organic compounds, including sugars, can be delivered to Earth...
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New Expedition Returns to Remote Island Where Giant Crabs Once Sparked Amelia Earhart Theories
https://www.bioscience.com.pk/en/subject/marine-science/amelia-earhart-may-have-survived-her-final-flight-and-reached-an-island-but-giant-crabs-could-have-consumed-her-remainsoffering a potential explanation for why a complete skeleton has never been recovered at the site. Past Searches and the DNA False Start The current mission follows an exhaustive 2019 effort led by ocean explorer Robert Ballard, which scoured the seabed...
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Scientists Discover Some Sea Cucumbers Can Live For Over 100 Years
https://www.bioscience.com.pk/en/subject/biology/this-strange-sea-creature-looks-like-poop-and-may-survive-for-an-astonishing-120-yearsfall off these creatures, a team led by Sven Uthicke of the Australian Institute of Marine Science (AIMS) utilized DNA analysis as a biological identification tool. By freezing tissue samples collected 24 years ago, the team was able to verify that 31...
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Why Conservation Scientists Want to Drop a Century-Old Hybrid Term
https://www.bioscience.com.pk/en/subject/biology/is-it-a-hybrid-swarm-opportunities-for-more-informative-terminology-in-conservation-genomicsscientists label the blended population with a worrisome catch-all phrase. Researchers increasingly rely on high-throughput DNA sequencing to map these genetic intersections across wild habitats. However, a comprehensive scientific evaluation published...
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Hidden Bacterial Pathogens Circulate Across Tunisian Ecosystems
https://www.bioscience.com.pk/en/subject/ecology/vector-borne-zoonotic-bacteria-in-tunisia-from-fragmented-data-to-an-integrated-one-health-surveillance-frameworkgoats, cattle, horses, dromedary camels, rodents, hedgehogs, and red foxes. The authors emphasize that detecting bacterial DNA in an arthropod or animal host does not automatically prove biological vector competence or reservoir status. While molecular...
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Blood Test for Colorectal Cancer - Epigenomics AG
https://www.bioscience.com.pk/en/topics/biochemistry/blood-test-for-colorectal-cancer-epigenomics-agtest to get a thumbs-up from the US Food and Drug Administration (FDA). This molecular test detects methylated Septin 9 DNA in plasma, which is increased in colorectal cancer and can be found in tumor DNA that has been shed into the bloodstream from...
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Scientists Just Overturned a Rule of Aging by Flipping One Genetic Switch
https://www.bioscience.com.pk/en/subject/genetics/scientists-just-overturned-a-rule-of-aging-by-flipping-one-genetic-switchgene changes often produced similar functional improvements. The difference was stability. The cells kept their identity. DNA damage did not rise. Telomere length stayed the same. Epigenetic aging clocks barely moved. This suggested that the cells were...
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Mysterious Black Spheres Reveal New Abyssal Flatworm Species at 6,200 Metres
https://www.bioscience.com.pk/en/subject/genetics/scientists-opened-strange-black-spheres-hidden-nearly-6-200-meters-beneath-the-pacific-and-found-a-species-never-seen-beforeone open, observing a milky fluid that released delicate white bodies—later identified as juvenile platyhelminths. Subsequent DNA work placed the organisms within a new species of the phylum Platyhelminthes, marking the first confirmed free‑living...
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Wolves Without Dog Ancestry on Swedish Island Hint at Pre‑Dog Human Care
https://www.bioscience.com.pk/en/subject/genetics/ancient-wolves-with-no-dog-ancestry-reveal-an-unexpected-human-connectioncolonisation is implausible, making deliberate human transport the simplest explanation. Genomic data show pure wolf ancestry DNA sequencing of the two canids revealed exclusively gray‑wolf genetic signatures, with no detectable admixture from domestic...
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New Dating Method Shows 28,000-Year-Old Hybrid Child Preceded Known Interbreeding
https://www.bioscience.com.pk/en/subject/genetics/this-28-000-year-old-child-buried-beneath-a-portuguese-rock-shelter-reveals-a-forgotten-chapter-of-human-evolutiona possible hybrid, offering rare physical evidence of contact between the two groups. According to SciencePost, the lack of DNA data at the time prolonged the controversy surrounding the find. An illustration of the Lapedo child’s skeleton showing the...
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Why Evolution Turns Unrelated Creatures Into Crabs and the Secrets of Carcinization
https://www.bioscience.com.pk/en/subject/ecology/evolution-keeps-turning-different-animals-into-crabs-and-scientists-have-a-name-for-itoffering a natural laboratory to probe how separate lineages converge on similar forms. Locomotion and Mitochondrial DNA Illuminate Crab Origins An eLife‑reviewed preprint suggests that the characteristic sideways gait of true crabs originated once,...
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Brazilian Priest Vanishes After 1,000-Balloon Flight, Body Found Months Later
https://www.bioscience.com.pk/en/subject/genetics/a-brazilian-priest-took-off-in-a-chair-suspended-beneath-1-000-balloons-to-raise-funds-he-never-made-it-to-his-destinationdue to various elements, such as the clothes and material used in the balloon trip,” Bandeira told reporters, adding that DNA testing simply verified their suspicion. The report appeared in the Associated Press. After the confirmation, de Carli’s...