Image of the Day

Without a brain, the frog embryo immune system doesn’t receive the signals it needs to mobilize macrophages and fight infections.

Memory formation in mice involves coordinated activity at the cellular level that likely leads to new circuits in the brain.

By trimming synapses in the adult mouse hippocampus, microglia help facilitate forgetting.

A newly hatched bearded vulture chick is part of an effort to reintroduce the declining species across Europe.

Jellyfish fitted with energy efficient controllers could one day find a job on ocean explorations.

A phthalate commonly found in shampoos, cosmetics, and cleaning products disrupts reproduction in worms.

Oxidative stress associated with aging damages ovarian cells in both humans and nonhuman primates.

Trained canines are remarkably accurate at detecting a pathogen that has devastated citrus crops.

The National Weather Service’s radar in Key West captures a spectacular moment in bird migration.

Footprints in southern Africa’s Karoo Basin show mammals and dinosaurs navigating a “land of fire,” as researchers describe the volcanic landscape.