Biology

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Stem Cell Therapy Trial Restores Vision by Healing Corneal Damage

Biology /

Eye injuries that damage the cornea often lead to permanent blindness, with few treatment options available. However, a new clinical trial has successfully restored vision in patients by transplanting stem cells from their healthy eyes. The cornea, the eye’s outermost layer, plays a crucial role in focusing light toward the retina. Because it constantly faces […]

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Flagellar Motors: The Secret Behind Bacteria’s Nearly 100% Energy Efficiency

Biology /

When people think of motors, they typically envision those in vehicles or machines. However, biological motors have existed for millions of years, especially in microorganisms. Many bacteria rely on tail-like structures called flagella, which rotate to propel them through fluids. This movement is powered by a protein complex known as the flagellar motor. The flagellar

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Octopuses Have a Hidden Sex Chromosome That Predates Dinosaurs

Biology /

University of Oregon researchers have discovered a sex chromosome in the California two-spot octopus that likely dates back 480 million years—long before octopuses and nautiluses diverged. This makes it one of the oldest known animal sex chromosomes. The finding confirms that octopuses and other cephalopods, including squid and nautiluses, use chromosomes to determine sex, solving

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Watch: Scientists Create the World’s First Lab-Grown Kangaroo Embryo

Biology, Evolution /

For the first time, scientists have successfully created kangaroo embryos using in-vitro fertilization (IVF), marking a significant breakthrough in efforts to replicate this process across hundreds of marsupial species increasingly at risk of extinction. A research team from the University of Queensland achieved this feat using eggs and sperm from eastern grey kangaroos (Macropus giganteus),

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Pet Dogs Identified as Unexpected Carriers of Salmonella

Biology /

Salmonella is commonly associated with contaminated food or water, but a new study reveals pet dogs might also be significant carriers of this bacteria. Researchers from Pennsylvania State University (PSU) found that dogs, even when asymptomatic, can transmit nontyphoidal, antibiotic-resistant Salmonella to humans. This discovery highlights the close relationship between humans and their pets as

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A Serendipitous Discovery Could Hold the Key to Solving Antibiotic Resistance

Biology /

An international research team has achieved a major breakthrough in understanding how bacteria develop antibiotic resistance, a growing global public health concern. This discovery highlights the complex roles of plasmids—small DNA molecules within bacteria that carry genes responsible for resistance. By unraveling these mechanisms, scientists can develop innovative treatments to combat drug-resistant infections more effectively.

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Penguins Don’t Mate for Life: A Myth Debunked by Science

Biology /

A long-term study on little penguins in Australia has debunked the belief that these seabirds stay with one partner for life. The research uncovered a “divorce rate” nearly ten times higher than that of U.S. humans, with parenting success as the main factor behind separations. While some penguins, like Adelie penguins (Pygoscelis adeliae), are more

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A New Giant Marine Pillbug Looks Like Darth Vader and Tastes Like Lobster

Biology, Evolution /

What has 14 legs, dwells on the ocean floor, and resembles Darth Vader? A newly discovered supergiant isopod species, which you can even try as a dish if you visit Vietnam. What has 14 legs, dwells on the ocean floor, and resembles Darth Vader? A newly discovered supergiant isopod species, which you can even try

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Caltech Calculates the Surprisingly Slow Speed of Human Thought

Biology /

We like to think of ourselves as quick thinkers, but new research from Caltech reveals that our brains process information at an astonishingly slow rate of about 10 bits per second. Despite our sensory systems gathering data 100 million times faster, this leisurely pace may reflect deep evolutionary roots. The human brain, often lauded as

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