In the March 16 SN: Disappearing Bering Sea ice, nanohealers, the world's largest bee, pollen’s beautiful physics, a tiny T. rex relative, testing Ebola drugs in Congo and more.
CASTING A LONG SHADOW The Japanese Hayabusa2 spacecraft (whose shadow is visible at the top of the image) took this picture of the asteroid Ryugu on February 22 about one minute after touching down on its surface and then lifting off again.
JAXA, Univ. of Tokyo, Kochi Univ., Rikkyo Univ., Nagoya Univ., Chiba Inst. of Technology, Meiji Univ., Univ. of Aizu, AIST
FAST RELIEF A new drug based on the anesthetic ketamine relieves depression in hard-to-treat cases, but its long-term consequences are unknown.
Janssen Pharmaceuticals, Inc.
KILLER CAT No Beast So Fierce tells the story of the “Man-Eater of Champawat,” a tiger that terrorized parts of India and Nepal in the early 1900s (a tiger in India’s Nagzira Wildlife Sanctuary is shown).
Vijaymp/Wikimedia Commons (CC BY 3.0)
DOUBLE BUBBLE Two enormous bubbles sandwich the Milky Way and emit gamma rays (illustrated). Two chimneys that glow in X-rays seem to connect these bubbles to the galaxy’s center, scientists report.
NASA Goddard Space Flight Center
