EnlargeCHOKSAWATDIKORN / SCIENCE PHOTO LIBRARY The hydra is a Lovecraftian-looking microorganism with a mouth surrounded by tentacles on one end, an elongated...
Enlarge / The surface of Ryugu. Image credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University,...
Enlarge / The Golgi apparatus, shown here in light green, may have been involved in building internal structures in cells.ARTUR PLAWGO / SCIENCE PHOTO...