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tag invasive species disease medicine neuroscience evolution ecology

Different colored cartoon viruses entering holes in a cartoon of a human brain.
A Journey Into the Brain
Danielle Gerhard, PhD | Mar 22, 2024 | 10+ min read
With the help of directed evolution, scientists inch closer to developing viral vectors that can cross the human blood-brain barrier to deliver gene therapy.
Researchers in George Church&rsquo;s lab modified wild type ADK proteins (left) in <em >E.coli</em>, furnishing them with an nonstandard amino acid (nsAA) meant to biocontain the resulting bacterial strain.
A Pioneer of The Multiplex Frontier
Rashmi Shivni, Drug Discovery News | May 20, 2023 | 10 min read
George Church is at it again, this time using multiplex gene editing to create virus-proof cells, improve organ transplant success, and protect elephants.
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
tazmanian devils fighting cancer
Some Cancers Become Contagious
Katarina Zimmer | Apr 1, 2019 | 10+ min read
So far, six animal species are known to carry transmissible, “parasitic” forms of cancer, but researchers are still mystified as to how cancer can become infectious.
Who Sleeps?
The Scientist and Jerome Siegel | Mar 1, 2016 | 10+ min read
Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.
Illuminating Behaviors
Douglas Steinberg | Jun 1, 2003 | 6 min read
Courtesy of Genevieve Anderson If not for Nobel laureates Thomas Hunt Morgan, Eric R. Kandel, and Sydney Brenner, the notion of a general behavioral model might seem odd. Behaviors, after all, are determined by an animal's evolutionary history and ecological niche. They are often idiosyncratic, shared in detail only by closely related species. But, thanks to Morgan's research in the early 20th century, and Kandel's and Brenner's work over the past 35 years, the fly Drosophila melanogaster, t
Bacteria and Humans Have Been Swapping DNA for Millennia
Kelly Robinson and Julie Dunning Hotopp | Oct 1, 2016 | 8 min read
Bacteria inhabit most tissues in the human body, and genes from some of these microbes have made their way to the human genome. Could this genetic transfer contribute to diseases such as cancer?
Syphilis: Then and Now
Kristin N Harper, George J. Armelagos, and Molly K. Zuckerman | Feb 1, 2014 | 10+ min read
Researchers are zeroing in on the origin of syphilis and related diseases, which continue to plague the human population some 500 years after the first documented case.
Articles Alert
Bernard Dixon | Mar 5, 1989 | 7 min read
LIFE SCIENCES BY BERNARD DIXON European Editorial Offices The Scientist Uxbrldge, U.K. " Positron emission tomography studies in 20 Swedish army officer cadets have revealed metabolic changes in the same regions of the brain during both tactile learning and tactile recognition. This exciting glimpse of brain metabolism accompanying conscious activity appears in a new journal launched by the European Neurosciences Association and designed to interest the entire universe of neuroscientists, fro
National Academies Recommend Field Trials for Gene Drives
Catherine Offord | Jun 8, 2016 | 2 min read
A report advises that, although gene-drive modified organisms are not ready to be released, carefully controlled field trials could go ahead.

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