In the Nov. 25 SN: Charting lumpy space, Bronze Age movers and shakers, T. rex’s slasher arms, gene editor corrects typos, the Great Pyramid hides a void, mosses chronicle Arctic warming, an itty-bitty insect-inspired robot and more.
NOT BUNDLES OF JOY Stress may change the genetic contents of sperm by tweaking small packets of RNA in seminal fluid, a study in mice suggests.
Dennis Kunkel Microscopy/Science Source
DOUBLE CHECK New blood pressure guidelines redefine what constitutes high blood pressure. A patient’s levels should be based on the average of two or three readings taken on at least two different occasions, the authors say.
TREAT, STAT Rapid treatment to replenish fluids is crucial for cholera patients, like this young girl being taken to a health center in Haiti during the 2010 epidemic.