The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

In a time of heightened hostility toward “the other” — countries, immigrants, scientists and academics — Otobong Nkanga is ...

A team from the University of Bern and the National Center of Competence in Research (NCCR) PlanetS has developed a ...