News
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LifeSigns of food allergies may be present at birth
Overactive immune cells may prime babies for food allergies.
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ArchaeologyAncient stone tools raise tantalizing questions over who colonized Sulawesi
Hominids reached an island not far from hobbits’ home by around 200,000 years ago.
By Bruce Bower -
AstronomyRed giants map how the Milky Way grew
A new catalog of the ages of our galaxy’s stars confirms that the Milky Way grew from the inside out.
By Andrew Grant -
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LifeBody’s bacteria don’t outnumber human cells so much after all
New calculations show human cells about equal bacteria in the body.