Evolution
“Bone-Crushing” Dogs Left Evidence in Their Poop
Like hyenas, the ancient canines apparently ate their food bones and all
Stories by Diana Crow
Biology
Sticky Bacterial Biofilms Dissolve on Contact with Sugar-Cutting Enzymes
The finding could help doctors tackle infections in which biofilms are common, such as cystic fibrosis
Space
Ultracold-Resistant Chemical on Titan Could Allow It to Harbor Life
Computer simulations reveal that a compound found on Saturn’s largest moon may be able to form a freeze-resistant, flexible membrane that could encapsulate cells or organelles
The Sciences
Gingivitis Bacteria Triggers a Tailspin in Your Mouth
In small numbers a keystone pathogen can still cause destruction
Health
The Epstein–Barr Virus Wears Chain Mail
Electron microscopy reveals a meshlike protective layer in the viruses that cause herpes and mononucleosis, among other disorders
