Centralized migration accelerates adaptation and drives parallel evolution, emphasizing the key influence of spatial organization on evolutionary dynamics across systems from pathogen transmission to ...

Researchers have uncovered surprising evidence that the deep ocean’s carbon-fixing engine works very differently than long assumed. While ammonia-oxidizing archaea were thought to dominate carbon ...

@hopkinskimmel researchers develop novel liquid biopsy approach to identifying early-stage cancers. › ...

A metabolism test provides a snapshot of certain hormone levels to understand how your body converts calories into the energy that fuels every physical, biological, and mental activity. These tests ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

You have two carotid arteries in your neck that are responsible for supplying oxygen-rich blood to your head and brain. Like all arteries, carotid arteries are made up of three layers: An outer ...