Recent Posts by Pangaea Biosciences

Loops, loops, and more loops: This is how your DNA gets organized

It's so impressive: a living cell is able to neatly package a big jumble of DNA, over two meters in length, into tidy, tiny chromosomes while preparing for cell division. For over a century, it has been clear that a cell can do so, but scientists have been puzzled for decades on how the process…
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Two Bacteria Revealed as Culprits Behind Colon Cancer in New Study

Two species of bacteria work cooperatively to trigger colon cancer tumors, a study published Thursday reports. The finding, which surprised the researchers, could eventually lead to new avenues for treatment. Past research hinted at the potential importance of these bacteria to the development of colon cancer. A 2015 study by Dr. Cynthia Sears and colleagues at the Sydney…
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Cancer ‘vaccine’ eliminates tumors in mice

Injecting minute amounts of two immune-stimulating agents directly into solid tumors in mice can eliminate all traces of cancer in the animals, including distant, untreated metastases, according to a study by researchers at the Stanford University School of Medicine. The approach works for many different types of cancers, including those that arise spontaneously, the study found.…
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Astrophysicists discover planets in extragalactic galaxies using microlensing

A University of Oklahoma astrophysics team has discovered for the first time a population of planets beyond the Milky Way galaxy. Using microlensing—an astronomical phenomenon and the only known method capable of discovering planets at truly great distances from the Earth among other detection techniques—OU researchers were able to detect objects in extragalactic galaxies that…
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Large beetles are shrinking, thanks to climate change

If you’re afraid of giant insects, climate change has a silver lining for you. A new study shows that as temperatures have increased over the past century, the world’s biggest beetles may have been shrinking, some downsizing by as much as 20% in 45 years. This new work “is a powerful demonstration of how climate…
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Orcas are first non-humans whose evolution is driven by culture

You could call it a culture shock. Many researchers accept that cultural experiences have helped shape human evolution – and evidence has now emerged that the same may be true of killer whales. Human genomes have evolved in response to our cultural behaviours: a classic example is the way that some human populations gained genes for…
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Researchers Discover ‘Anxiety Cells’ In The Brain

Scientists have found specialized brain cells in mice that appear to control anxiety levels. The finding, reported Wednesday in the journal Neuron, could eventually lead to better treatments for anxiety disorders, which affect nearly 1 in 5 adults in the U.S. "The therapies we have now have significant drawbacks," says Mazen Kheirbek, an assistant professor at the University…
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