Health SMART NEWS Researchers Breed Mice With Hybrid Brains Containing Cells From Rats Will Sullivan SMART NEWS Personalized Melanoma Vaccine Could Be a 'Game Changer' by Teaching the Body to Fight Cancer Cells Christian Thorsberg SMART NEWS Second Patient Receives Gene-Edited Pig Kidney Transplant in Breakthrough Surgery Will Sullivan Environment SMART NEWS USDA Approves First Lab-Grown Chicken in the United States Will Sullivan SMART NEWS Could Genetically Modified Houseplants Clean the Air in Your Home? Alex Chun SMART NEWS New Hampshire Distillery Makes Whiskey Out of Invasive Crabs Margaret Osborne Education SMART NEWS Tour a Submerged Cave Packed With Paleolithic Art—Without Ever Venturing Underwater Sarah Kuta SMART NEWS NASA’s New Solar Sail Could Soon Navigate in Space Elizabeth Gamillo SCIENCE Lost Cities of the Amazon Discovered From the Air Brian Handwerk