Molecular & Cell Biology

The elusive progenitor cells that give rise to innate lymphoid cells—a recently discovered group of infection-fighting white blood cells—have been identified in fetal liver and adult bone marrow of mice, researchers from the University of Chicago report early online in the journal Nature.

Biology


New data from the field in Central Africa shows that between 2002 and 2013, 65 percent of forest elephants were killed.
New data from the field in Central Africa shows that between 2002 and 2013, 65 percent of forest elephants were killed. They are being poached, for their ivory, at a shocking 9 percent per year.




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