They multiply quickly. They're voracious. And they're marching through Georgia, Florida, and much of America's Southeast.
What are these dog-size lizards (shown above) and where did they come from? Not here.
Argentine tegus, popular with pet owners, are breeding in multiple states after escape or release from captivity. When roaming free, they ravage egg-laying animals and keep expanding their range. What are officials doing?
For millennia Indigenous communities in Alaska have relied on caribou herds (above) for sustenance. But recently, caribou numbers have declined dramatically, for reasons scientists are trying to unravel. What's happening?
What is this? Thinly sliced, tinged with red, and photographed at 400 times magnification, this tree branch calls to mind not wood but macramé. In this image, parenchyma cells, which are the foundation of all plant tissue, resemble holes, while a banding pattern reflects the tree's annual growth. What tree is this from?
Why go where everyone else does? We've come up with a "cool list" of 30 of the most exciting destinations to see next year. Among them: the twisting drive along the E10 pass in northern Norway's Lefoten Islands (above).
Today's soundtrack: Picture Book, The Kinks Thanks for reading today's newsletter! It was curated and edited by Jen Tse, Nancy San Martín, and David Beard. Have an idea for us? Let us know!
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