Mescal worm test shows DNA leaks into preservative liquids

Just because you don't swallow the worm at the bottom of a bottle of mescal doesn't mean you have avoided the essential worminess of the potent Mexican liquor, according to scientists from the Biodiversity Institute of Ontario ...

Wolf release in Mexico sparks concern in US

(AP) -- American wildlife officials and ranchers are raising questions over a plan to release a rare North American gray wolf to its historic range in northern Mexico: Will it stay south of the border and what can be done ...

Extreme heat is new danger stalking US-bound migrants

In the Mexican desert near the US border, security forces are on alert after a man was found dead from heat stroke on the journey to what he hoped would be a better life in North America.

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