Access a database of scientific and technical research documents produced by and for Defence Research & Development Canada over the past 50 years.

Visit Canada's central coordinating point for responding to public health security issues, including natural events and disasters and accidents or criminal and terrorist acts involving explosives, chemicals, radioactive substances or biological threats.

Understand Chemical, Biological, Radiological and Nuclear Research, a key Canadian science issue, through this overview article and relevant Web sites. Find information on how science and technology are being used for counter-terrorism and national security research.

Learn about the federal science community's response and commitment to providing science solutions to counter terrorism and safeguard national security.

Challenge your mind to see how many secret codes you can decipher within 90 seconds. Part of the Science.gc.ca Arcade.

Learn about Canada's role in the development of an international satellite system that helps save lives by providing alert and location information to search-and-rescue services throughout the world.

Watch this video to meet the scientists and experts who are collaborating to protect Canada from security threats.

Read about research areas of Defence Research and Development Canada, Atlantic, including underwater sensing and countermeasures as well as shipboard command and control.

Learn how this program's scientific research plays an important role in preventing environmental emergencies and minimizing harmful impacts when they do occur.

Watch this video to see a new military vehicle that incorporates the latest in battlefield technology.

Read about the National DNA Data Bank, a science and technology tool in the field of modern law enforcement.

Visit Canada's National Microbiology Laboratory, the world's first to accommodate both human and animal health facilities at the highest level of biocontainment under one roof.

Researcher helps military, police and first responders communicate.

Explore the activities of the organization responsible for public safety and emergency preparedness in Canada.

Find information about a program responsible for the investigation, communication and reduction of health risks to Canadians from exposure to ionizing and non-ionizing radiation.

Link to authoritative safety information in a variety of areas, including transportation, internet, environment, national security, and health.

Discover how the Communications Research Centre Canada (CRC) is making communications networks in Canada - and around the world - more secure.

Watch this video to see a simulated incursion scenario conducted off the coast of Nova Scotia to test surveillance technologies.

Sonia started off her career as a rocket scientist working on the improvement of the mechanical properties of solid rocket propellants. However, she soon began to devise an idea for her own project - to investigate the environmental impact of munitions.