In Group B of this year’s Copa América, Paraguay faced off against Bolivia and Brazil played against Venezuela. Paraguay took ...

Each side adduces old maps and decrees in support of its claims to the entirety of the Chaco, and a voluminous literature of partisan evidence has been produced by the publicists of both nations.

So far, Castellón’s piranhas have been found in the upper Madeira River in northern Bolivia, a landlocked country bordering Argentina, Brazil, Chile, Paraguay and Peru. The new species was ...

So far, Castellón’s piranhas have been found in the upper Madeira River in northern Bolivia, a landlocked country bordering Argentina, Brazil, Chile, Paraguay and Peru.