In order for a small-business order to price her products or services correctly, she must be able to understand what impact that price will have on demand. In some cases, demand will rise or fall with ...

All 67 people on board the plane and the helicopter were killed. An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport ...

A lab-on-a-chip is a class of device that integrates and automates multiple laboratory techniques into a system that fits on a chip up to a maximum of a few square centimetres in size. By manipulating ...