Where did Australian cats come from?

Researchers have found that cats in Australia are most likely descended from those brought by European settlers. Feral cats found on the islands surrounding Australia may represent founding populations from Europe, introduced ...

Honduran army goes to war against invading bugs

For Honduran soldiers fanning out in the pine forest the enemy is like no other: numbering in the thousands, invading a sizeable chunk of their country and causing incalculable environmental damage.

No designer babies, but summit calls for cautious research

A tool to edit human genes is nowhere near ready to use for pregnancy—but altering early embryos as part of careful laboratory research should be allowed as scientists and society continue to grapple with the ethical questions ...

New study raises the global human freshwater footprint

The new study shows that dams and irrigation considerably raise the global human consumption of freshwater by increasing evapotranspiration. This effect increases the loss of freshwater to the atmosphere and thereby reduces ...

Why is the San Bernardino shooting rare among mass shootings?

The shooting in San Bernardino, CA yesterday marked the 355th mass shooting in the United States in less than as many days in 2015. As details emerge regarding yesterday's events, it is clear that these types of crimes are ...

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