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dead sea scrolls

SCROLL CALL  Newly excavated skeletons at a roughly 2,000-year-old West Bank site support a theory that a community of celibate men lived there at the time the Dead Sea Scrolls were placed in nearby caves. These men may have written or protected the scrolls.

brushtail possum

SO CUTE, SO WRONG  No one has a genetic way of getting rid of invasive brushtail possums (shown) in New Zealand, but now is the time to debate whether CRISPR gene drives are too strong to be considered, two researchers argue.

hippocampal nerve cells

NO NEW NERVE CELLS  A preliminary study suggests that new nerve cells are not produced in adult humans’ hippocampi, results that conflict with earlier data. Hippocampal nerve cell axons are shown in blue, and glial cells are green. All cells’ nuclei are stained red.

HAWC experiment in Mexico

WATCHING LIKE A HAWC  The HAWC experiment near Puebla, Mexico, uses more than 300 tanks of water to detect the signatures of gamma rays. Its new observations have reignited a debate about the source of unexplained antimatter particles from space.



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