In this issue:
"What Makes Each Brain Unique": How “jumping genes” make each person unique.
"The Far, Far Future of Stars": New types of celestial phenomena that will unfold over the coming billions and trillions of years.
"The Shadow Web": Digital activists want to build an alternative network that can never be blocked, filtered or shut down.
"Blocking HIV’s Attack": Scientists are beginning human trials of a treatment that holds promise for eliminating the HIV virus from the body.
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