A covered call is an investing strategy that requires a seller of call options to own shares of the underlying security and deliver them if the option is exercised.

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries ...

This work characterizes the influence of different spatial sampling resolutions on the prediction of vehicular mobility. By assuming different spatial quantization areas over a region the vehicles ...

A monthly reading and conversation with The New Yorker’s fiction editor, Deborah Treisman.

We tested the best digital notebooks with features like pen-to-paper writing feel, cloud service compatibility, and built-in AI.