Browsing: Science

algae: A single-celled organism that was once thought to be a plant (though it is not actually a plant). As aquatic organisms, they grow in water.…

IE11 is not supported. For the best experience, please visit our site in a different browser. Now playing Reconsidering the mysteries of gravity 05:21 Source: www.nbcnews.com

We’re always working on it. But thinking, or how we should think about thinking, is surprisingly difficult to pin down. For example, when I did VoxPop,…