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.
NOT TOO VIOLENT Small-scale human societies, represented here by African Masai warriors, are neither more nor less violent than state societies, a new study concludes. As often happens in investigations of warfare, the report has sparked controversy.
Vadim Petrakov/Shutterstock
SILENT KILLER Pollution, especially dirty air such as seen here in New Delhi, is linked to roughly one-sixth of the world’s premature deaths, a new study finds.
BDphoto/iStockphoto
GAME CHANGER The first completely self-taught AlphaGo program tops all of its machine-learning predecessors, no contest.
DeepMind
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.
Aunt_Spray/iStockphoto
