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Immune cells flood into the aging brain, Stanford scientists discover

Scientists have discovered that the aging human brain may be far less isolated from the rest of the body than once believed.

  • Immune cells from blood enter aging human brain, Stanford study finds.
  • Microglia, brain's immune cells, may not be self-sustaining throughout life.
  • Research challenges belief of brain's immune system separation from body's defenses.

Scientists detect a nuclear reactor’s ghostly afterglow for the first time

Nuclear reactors may go dark, but their fuel continues producing a faint antineutrino “glow” long after shutdown. Researchers have now detected that residual signal for the first time, finding it…

  • Scientists detect antineutrinos from shut-down reactor for first time
  • Chooz collaboration observes 100 antineutrino events in 17.2 days
  • Breakthrough enables reactor monitoring and nuclear safety advancements