In the Oct. 28 SN: Real-life vampires, the ultimate flu shot, no rings for Pluto, tsunami debris stowaways, jellyfish flouts sleep stereotypes, honey carries pesticides, teen concussion stats, a shape-shifting robot and more.
LOST AND FOUND Ancient DNA was lost when some humans (example human skull in background) migrated out of Africa, but the missing genetic heritage was “found” again when modern humans interbred with Neandertals (foreground).
BRINGING ‘EM BACK ALIVE Scientists think they have the tools to transform elephants into woolly mammoths (illustrated) and reverse extinction. A new book explores the promise and pitfalls of de-extinction.
SEEING DOUBLE Some DNA is duplicated in humans. The copies may be responsible for some uniquely human traits and diseases.