"Bernd Heinrich's widely praised Bumblebee Economics (Harvard, 1979) set a high standard for scientifically accurate yet gracefully articulate writing about nature's ingenious patterns, specifically thermoregulation. His Hot-Blooded Insects takes a giant step forward by presenting an overview of what is now known about thermoregulation in all of the major insect groups, offering new insights on physiology, ecology, and evolution. The book is richly...

The Code of Federal Regulations (CFR) is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government. It is divided into 50 titles that represent broad areas subject to federal regulation. Each volume of the CFR is updated once each calendar year and is issued on a quarterly basis.

This website lists security directives and amendments from the Transportation and Security Administration including those related to vaccination and face mask requirements in response to COVID-19.