News

Ecosystems

Bluebird moms inadvertently fuel wars between species

Extra hormones delivered to eggs holding sons in tough times end up driving one bluebird species to chase off another

Cosmology

The past according to Planck: Cosmologists got a lot right

New results from the Planck satellite largely support cosmologists’ theories, but leave the door open for new discoveries.

Health & Medicine

New HPV shot fends off more types of the virus

A new vaccine that covers more strains of the human papillomavirus protects better against cervical and other cancers.

Anthropology

Fossil teeth flesh out ancient kids’ varied growth rates

X-ray technique sheds light on hominids’ developmental variety.