Bottom-up processing is an explanation for perceptions that start with an incoming stimulus and work upward until a ...

The human brain is a product of evolution. Many psychotherapies and medications focus on adjusting the activity of brain networks that evolved long ago and helped early Homo sapiens survive and ...

Despite decades of progress, the origin of life remains one of the great unsolved problems in science. "The most basic features of biology, that organisms are made of cells, that they pass genetic ...