Long ago, the patch of sky that would become our galactic neighbourhood looked nothing like a galaxy. It was a collection of thousands of smaller galaxies. Some were turning out stars at a frantic pace, others held nothing but gas, and others were littered with dead stars and black holes. That is the picture drawn […]
Las fechas que se han propuesto para la llegada de los primeros humanos a América se reparten en una horquilla de más de 100.000 años. En un extremo está Cerutti, un yacimiento de California que Holen y sus colegas fecharon en unos 130.000 años en un estudio publicado en Nature en 2017. En el otro, […]
Proposed dates for the arrival of the first humans in the Americas span more than 100,000 years. At one end sits Cerutti, a site in California that Holen and colleagues dated to about 130,000 years ago in a 2017 study in Nature. At the other is Swan Point, in Alaska, at around 14,200 years old: […]
Police clashed with demonstrators in Valencia as thousands of protesters marched in cities around Spain on Saturday, a day after lawmakers rejected housing relief measures for tenants.
Five months ago, four excited girls walked into a maximum-security area with their mother wearing the same black T-shirt printed with a photo of their father. Minutes later, he emerged from a building guarded by the military, amid camera flashes and television cameras, and looked at them with moist eyes from the other side of the fence. He could not approach or touch them. He had to respect quarantine, because in a few hours he would board the most powerful crewed rocket in history and head to the Moon. Without speaking, they said everything to each other, and the rest of the world understood them.
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