News Feature: Animals that self-medicate:
نویسندگان
چکیده
منابع مشابه
News feature: Animals that self-medicate.
Birds, bees, lizards, elephants, and chimpanzees all share a survival trait: They selfmedicate. These animals eat things that make them feel better, or prevent disease, or kill parasites like flatworms, bacteria, and viruses, or just to aid in digestion. Even creatures with brains the size of pinheads somehow know to ingest certain plants or use them in unusual ways when they need them. Anyone ...
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Michael Benton used to tell his paleontology students that they would never know the true color of a dinosaur. After all, even fossils that sport light or dark patches may not indicate the creature’s original hue. But in recent years, the vertebrate paleontologist at the University of Bristol in the United Kingdom has had to revise those lectures. In 2010, Benton and colleagues found evidence t...
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Flesh really does crawl. Crowds of cells can surge forward together, form gyrating swirls and waves, segregate into types, and send off meandering tendrils or mobile exploratory clusters. Collective cell motions are crucial for everything from embryo development to wound healing to cancer metastasis. These cell colonies seem to move in concert, almost like flocks of birds, shoals of fish, or he...
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In the summer of 2015, a pioneering band of laboratory mice did something their ancestors hadn’t done for roughly 1,000 generations—they went outside. It was hardly a trek into the wilderness. The 90 mice were fenced into pens, with feeding stations providing all the mouse chow they could eat and aluminum pie plates dangling over their heads to deter passing hawks. Still, it was aworld away fro...
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With summer upon us, many parents are questioning the need to have their child or adolescent with Attention Deficit Hyperactivity Disorder (ADHD) take their stimulant medication when they are not in school. When trying to answer this question, it is important to remember that ADHD does not just affect individuals when they are in school. While the deficits in ADHD may be most apparent in academ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2014
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1419966111