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MORNING BIRD OR NIGHT OWL?
We each have a powerful alarm clock in our cells that tells us when to sleep and when to be active – our circadian rhythm – and it’s wound differently for each person. In this article you’ll learn how circadian rhythm controls sleep, how a greatly altered circadian rhythm leads to sleep disorders, and the latest research on the genetics of sleep preferences.
ANTIMICROBIAL PEPTIDES: YOUR BODY'S HOMELAND SECURITY
How do we survive infections when some types of bacteria can double their population as quickly as a run of a sitcom episode (twenty minutes) while our adaptive immune system takes a few days to produce antibodies and T cells in our defense? What defenses does our body use in the meantime to keep the infection under control?
TINY FINS MAKING A BIG SPLASH
Across the global ocean, billions of small animals undergo a daily commute of hundreds of feet between their daytime habitat in the ocean depths and their nighttime feeding grounds just below the surface of the water. This may not sound impressive compared to the thousands of miles covered during the migrations of whales or birds, but when considered collectively, the migration of these tiny animals blows all other animal migrations out of the water.