Now in a new edition, National Geographic Learning brings the world to your classroom with Life, a six-level integrated-skills series with grammar and vocabulary for young adult and adult English language learners. Through stunning National Geographic content, video, and engaging topics, Life inspires a generation of informed decision-makers. With Life, learners develop their ability to think critically and communicate effectively in the global community.
The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the United States Federal Government.
The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.