The nationwide experiment will initially include around 100,000 volunteers.
A 27-year-long study finds insect biomass has declined by about 75 percent.
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At low doses, resveratrol enhanced human T-cell activity in vitro, while at high doses it interfered with cell signaling.
In mice, the tumor cells are able to thwart the immune response that would kill them—but immunotherapy prevented the return of melanoma.
The dolphins and their trainers will search for the endangered porpoises and enclose them in a protected pen.
Studies suggest not all critters fare well in extreme weather, though some thrive.
Researchers find that about a quarter of the immune cells are replaced every year.
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.
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