Tracing the spread of cacao domestication

The cacao tree (Theobroma cacao), whose beans (cocoa) are used to make products including chocolate, liquor and cocoa butter, may have spread from the Amazon basin to the other regions of South and Central America at least ...

Study looks at challenges facing global food production data

To understand the food production resources necessary to help feed a growing global population, accurate and up-to-date data, such as crop, livestock, aquaculture and fisheries statistics, are crucial for the implementation ...

Two truths and a lie about immigration

Congressional gridlock over border security talks, controversial proposals to restrict asylum and a looming impeachment trial for the U.S. Homeland Security Secretary Alejandro Mayorkas paint a stark picture of a nation deeply ...

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