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.
VAMPS Creatures that feast on blood have evolved surprising ways to deal with all that fluid and protein, and to get the nutrients blood doesn’t offer.
HITCHHIKERS These marine sea slugs stowed away on a derelict vessel from Iwate Prefecture in Japan before being washed ashore in Oregon in April 2015.
John W. Chapman
DANGER DETECTOR In planarians (Schmidtea mediterranea shown), a protein called TRPA1 detects hydrogen peroxide, a molecule produced when cells are damaged. These new results give hints about the evolution of human pain.