But first it would help to admit that the border is not secure.
Tag: South America
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The Vanishing Variants: Lessons from Gamma, Iota and Mu
Studying the coronavirus variants that have faded away could help us prepare for what comes next, scientists say.
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Shriek! Slap! Pow! The Small Bat Wins.
In this video of a bat fight, is the tiny one a bully, or is it just meting out justice up the food chain?