“A decade ago, this year’s sea ice extent would have set a new record low ...Now, we’re kind of used to these low levels of sea ice – it’s the new normal.”
Our internal circadian clock tells our body when to sleep, wake and eat. New research says that bacteria living in our gut also have their own circadian clocks.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.