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Swell, a Pain Lesson: Gut microbes needed for immune development
Intestinal bacteria train the immune system to cause pain and swelling, but that's a good thing.
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This article offers a mechanism to explain the hygiene hypothesis featured prominently in past issues of Science News. If exposure to microbes has a beneficial effect on the immune response of mice, it may also help humans as well. The relatively antiseptic environments that many Western children experience today as compared to the past may […]
- Astronomy
Where stars are born
Some 300 young stars, hidden in visible light, shine through the dust in a new infrared portrait of the main cloud of a nearby star-forming region called Rho Ophiuchi.
