The human visual system provides us with a rich and meaningful percept of the world, transforming retinal signals into visuo-semantic representations. For a model of these representations, here we ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

The loss of China as a dominant buyer has left a hole in U.S. soybean demand that hasn’t been easy to fill. While export sales have held up better than expected elsewhere in the world, farmers and ...