The nationwide experiment will initially include around 100,000 volunteers.
Researchers find that about a quarter of the immune cells are replaced every year.
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In addition to circulating in the blood as immune sentinels, macrophages play specialized roles in different organs around the body.
From guiding branching neurons in the developing brain to maintaining a healthy heartbeat, there seems to be no job that the immune cells can’t tackle.
Marine species survived rafting thousands of kilometers on debris swept into the water by the giant wave, scientists say.
In a case of acoustic deception, caterpillars mimic bird alarm calls to defend themselves.
Researchers recommend greater conservation efforts toward non-mammals and small creatures.
Researchers are trying to recreate an extinct species of the lumbering reptiles by breeding closely related species that contain traces of the lost lineage’s DNA.
Sweet taste receptor-activating molecules produced by sinus microbes suppress the local innate immune system in humans.
A new study uses blood samples from pregnant women to track changes in the immune system leading up to birth, and predicts gestational age from the mothers’ immune signatures.
Important pollinators under threat from habitat destruction, bumblebees may find refuge on vacant land throughout Michigan’s largest metropolis.
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