In the Aug. 20 SN: High-tech desalination could alleviate water woes, scientists search for metallic hydrogen, aging in clones, more e-cigarette risks, an updated brain map, Zika arrives in Miami, green-blooded lizards and more.
New telescopes and spacecraft will soon help researchers scour our galaxy for signs of extraterrestrial life. But what might aliens look like? And if they do exist, why haven’t they returned our calls? These are just some of the questions addressed in the Science News special report “In Search of Aliens” (SN: 4/30/16, p. 24).