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.
HARD KNOCKS Girls had almost twice the annual rate of concussions as boys when researchers compared sports — soccer, basketball and baseball/softball — that both played.
POULTRY PROBLEMS So far, most cases of human H7N9 infection have come from exposure to birds, often in live poultry markets. Here, epidemiologists collect samples at a market in Dongguan, China, in 2014.
CDC/Shuqing Zhao, China
BASIC BEAK The red- and blue-stained facial features of this chick, which was incubated under standard laboratory temperatures, reveal an upper beak that is developing properly.