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CEH Editor Finds Evidence for Rare Rock-Nesting Bees

On a hike in Arizona, he documented a rare bee's nest site in sandstone.

Stay Healthy; Get Dirty

Studies of two people groups confirm that exposure to nature helps prime the immune system – among other benefits.

Save Your Eyes: Take a Hike

An epidemic of myopia is swamping Asian health care institutions. The cause could depend on what side of the front door you tend to be.
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