Learn 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....

Improve laboratory quality with expert-approved protocols, procedures & best practices. Ensure accurate results, prevent errors & enhance laboratory safety with our comprehensive guide. Laboratory testing plays a pivotal role in modern healthcare,...

Explore the importance of sputum tests, and learn microbiological examination procedures. Learn the role of sodium chloride and propylene glycol in sputum induction. A sputum test, also known as sputum examination or sputum analysis, is a laboratory...

Researchers discovered human DNA traces in five ancient samples, four of which lacked paint, offering new insights into prehistoric artifacts. In a groundbreaking achievement for paleogenetics, researchers have successfully extracted ancient human DNA...

DNA analysis uncovers human, microbial, plant and animal traces on the Shroud of Turin, shedding fresh light on its complex biological history. Measuring roughly 14 feet (4.4 meters) in length, the linen cloth bears a faint double‑sided impression of a...

Ancient microbes trapped in Antarctic ice for millions of years show signs of life, offering new clues on how long DNA survives in extreme frozen environments. Deep Freeze: How Ancient Antarctic Ice Reveals the Limits of Microbial Survival Research...

Scientists find cold‑adapted yeast in Ötzi the Iceman, bake sourdough with it, and show the ancient mummy still harbors a dynamic microbial ecosystem. More than five millennia after the Alpine discovery of Ötzi the Iceman, scientists have identified an...

These disorders happen when certain natural chemicals build up in the body, affecting the nerves and skin. Find out how to avoid things that can make the symptoms worse. Porphyrias, derived from the Greek word "porphura," meaning purple pigment,...

A new study uncovers small genomic regions that allow cancer’s circular DNA to attach to chromosomes during cell division, ensuring the survival of powerful oncogene copies. Cancer rewrites the rules of biology in ways that often surprise even...

A new study shows mosquitoes can quietly collect DNA from dozens of animals, offering a surprisingly powerful way to monitor biodiversity and track elusive species in the wild. Most people swat mosquitoes without a second thought. They buzz, they bite,...

A revolutionary DNA swabbing technique has allowed researchers to extract “biological signatures of history” from fragile Renaissance artifacts, revealing the hidden biomes and paternal lineages of the world’s most famous polymath. This study details...

Genetic study reveals two unknown archaic hominin lineages that still contribute DNA to modern humans, highlighting a more complex evolutionary history. A recent analysis suggests that a previously unidentified human branch mixed with the ancestors of...

DNA from two ancient Saharan herders shows that early people in North Africa adopted herding through shared ideas, not mass migration, and belonged to a long-isolated human lineage once living in a greener Sahara. Today, the Sahara is known for heat,...

Thirteen years after a herd of cattle mysteriously vanished, scientists have used 18 surviving DNA samples to uncover the secrets of their unique lineage. In 1871, five head of cattle were transported from Réunion to Amsterdam Island, a remote volcanic...

DNA analysis of mysterious white lumps found on ancient mummies has uncovered the world’s oldest evidence of a 3,600-year-old fermented food tradition. In 2003, archaeologists working at the Xiaohe Cemetery in the remote Tarim Basin of northwest China...

A sweeping genomic study of more than 7,600 Salmonella Typhi samples shows how drug-resistant typhoid strains repeatedly emerged in South Asia and then moved across continents, replacing older, treatable forms. Typhoid fever has long been treated as a...

Learn about blood transfusion reactions, procedures, complications, and reasons, including massive transfusion risks and Jehovah's Witness considerations. Blood transfusion is a critical medical procedure often employed to save lives, particularly in...

After 165 years, scientists have finally identified the mysterious man found frozen in 1859, solving a cold case that baffled historians for generations. A breakthrough in forensic science has finally attached identities to the remains of four sailors...

Scientists have recovered ancient DNA from a 5,500-year-old skeleton in Colombia, revealing the oldest known genetic evidence of a syphilis-related bacterium and offering new insight into how these diseases evolved. Syphilis has troubled human...

Scientists find ancient viruses trapped in a Tibetan glacier, revealing a frozen mystery that dates back thousands of years. A team of researchers has uncovered genetic material from more than thirty distinct viruses preserved in ice that dates back...