Theorists of consciousness generally focus on sensation – what it's like to, say, experience the color red. Yet what we call the stream of consciousness offers a much richer and more complex blend of ...

A young chef in a white toque parks a trolley by the side of the table. On it is a duck; plump and glossy, its skin is an enticing caramel and entirely smooth. With a long knife, the chef shears off ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones. By Carl Zimmer A flurry of new studies ...