Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion ...

The bacterium chlamydia trachomatis is a major cause of sexually transmitted diseases. Bacteria have lots of tricks up their ...

Plants use quantum mechanics to optimize photosynthesis, inspiring new artificial light-harvesting technologies.

Stomata, microscopic pores on plant leaves, regulate gas exchange and water loss by opening or closing in response to ...