Brazil’s President Dilma Rousseff must see off two fast gaining rivals to win reelection in October. Problems during the World Cup might end up being be her political downfall. With the World Cup ...

When I first got a macrophotography lens, I headed out to my garden to shoot closeups of the flowers. It wasn't until later, when I enlarged the pictures on the computer, that I noticed all the ...

The high abundance of the recluse spider Loxosceles intermedia Mello-Leitão, 1934 inside buildings in Curitiba, Southern Brazil, suggests that the encounters between males and females are not random, ...