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.
PLANET OR NOT? A group of planetary scientists label Pluto and many other orbs in the solar system as planets, despite the definition set down by the International Astronomical Union in 2006.
Johns Hopkins University Applied Physics Laboratory, Southwest Research Institute, NASA
LAYERED HAZE Not long after the New Horizon’s spacecraft buzzed Pluto, it captured an image revealing dozens of layers in Pluto’s atmosphere. That haze affects surface features such as the dwarf planet’s red patches, a new study suggests.
SwRI, JHUAPL, NASA
The LHCb experiment (shown) has detected five new particles, each composed of two strange quarks and one charm quark.
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).