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In the April 14 SN: Killer heat, mass insect migrations, the latest Saturn updates, rethinking the Nobel Prize, tectonics on Venus, the science of mass shootings, ancient tool trends and more.
Genetic evidence suggests that cicadas on 13- and 17-year schedules can hybridize.
RED-LIGHT DISTRICT Levels of a brain reward compound increased in male fruit flies genetically engineered to ejaculate when exposed to red light when the insects were bathed in the rosy hue.
Avi Jacob/BIU microscopy unit
SEAL MEAL A harbor seal digs its claws into a salmon. Sea lions and some other seal species have sturdy flippers instead of paws, and so can’t grasp prey in this way.
D.P. Hocking et al/Roy. Soc. Open Science 2018