In the April 1 SN: Digital tech on the brain, cancer’s sweet spell, elephant sleep stats, ancient stardust spotted, a hydrothermal cradle of life, nutrition in a changing climate, nesting-doll parasitism, a neutrino trio and more.
LONG, STRANGE TRIP LSD briefly got tagged as a gene breaker a half century ago before getting a reprieve. Researchers are still trying to figure out how this substance triggers intense, long-lasting hallucinations.
MOMMY MICE A pregnant mouse’s placenta develops differently depending on her immune system. This wheel shows nine developing placentas, some with normal immune cells and some without. The image is one of the winners of the 2017 Wellcome Image Awards.
S. Nadkarni/William Harvey Research Institute/Queen Mary University of London, Wellcome Images
CANCER'S SWEET CLOAK Large surface proteins with chains of sugars (illustrated, yellow) on the outside of a cancer cell hide the tumor from immune attack and lull the immune system into a do-nothing trance.