Dame Julia Polak, who pioneered lung tissue engineering techniques, has passed away at age 75.

Most complete skeleton suggests the dinosaurs were semi-aquatic hunters. 

Gut microbes enhance response to the seasonal flu shot in mice.

World Health Organization officials say intervention efforts must be scaled up at least three-fold.

Human trials are now underway.

A near-complete titanosaur fossil provides new details of the dinosaurs’ lives. 

Biological criteria and evolutionary models help predict threats to spoken language, according to two studies.

Genetic analysis reveals the history of the earliest human migrations in the region.

Vein patterns in the wings of developing fruit flies never vary by more than the width of a single cell.

Genome fusion at stem graft junctions can generate new plant species.

As the science of chemistry developed, public perceptions of alchemists shifted from respect to ridicule.

Fragments of mitochondrial DNA from deer hair found on the clothing of an ice-entombed mummy offer a glimpse into Copper Age ecology.