It was her first appearance since the U.S. military deposed the country's then-President Nicolás Maduro, replacing him with an interim president who has exceeded the time she was authorized to serve, with no election scheduled.

Line up human and chimpanzee DNA and the first surprise is how little separates us. We share more than 96% of the sequences used to make proteins, the molecules that build and run a living body. And yet the human brain is roughly three times the size of a chimpanzee’s, and it does things a […]

Si ponemos los genes de una persona junto a los de un chimpancé, lo llamativo es lo poco que difieren. Compartimos más del 96% de las secuencias que sirven para fabricar proteínas, que son las piezas con las que se construye un organismo. Y aun así nuestro cerebro es unas tres veces mayor que el […]