Headlines

Venus may be tearing itself apart from within

Scientists have uncovered new evidence that Venus may still be tearing itself apart from within. Advanced 3D simulations indicate that some of the planet's giant rift valleys formed relatively recently and could still be expanding. The results suggest Venus has a far more

Can a robot tutor give too much help? Why timing matters

A learner stands in a room with a bottle, a cup and a book. The task is to figure out, step by step, where each object belongs in the room. Under the table? Or perhaps on the chair? A humanoid robot gives the instructions—but in Swahili, a language the learner does not know. To