News
- Health & Medicine
Dengue fever spreads in a neighborly way
Individual strains of dengue spread locally, and new infections cluster near the home of the first person affected.
- Health & Medicine
Random mutations play large role in cancer, study finds
Mistakes made while copying DNA account for more mutations in cancer cells than environment or inheritance do.
- Animals
Female guppies with bigger brains pick more attractive guys
A larger-brained female guppy may pick primo males, but all that mental machinery costs her in other ways.
- Paleontology
Anatomy analysis suggests new dinosaur family tree
A new analysis rewrites the dinosaur family tree, splitting up long-recognized groups.
