Biological samples are often treated with fluorescent dyes to make selected objects visible.

This means that samples of the manufacturer's batch have been tested by an independent body, the Biological Stain Commission, and found to meet or exceed certain standards of purity, dye content and performance in staining techniques.

Biological samples are more complex to analyze because of factors such as the matrix effect and the metabolism and conjugation of the target compounds.

Biological studies of the collected samples led to the findings of live cells and bacteria, which introduced the possibility that the earth is being bombarded by microorganisms, some of which might have seeded life itself on earth.

The late author Sheldon H. Harris in his book " Factories of Death: Japanese Biological Warfare, 1932-1945, and the American cover up " wrote that, The test program, could be part of Project AGILE or Project OCONUS which began in fall 1962 and which was funded at least through fiscal year 1963, was considered by the Chemical Corps to be “ an ambitious one .” The tests were designed to cover “ not only trials at sea, but Arctic and tropical environmental tests as well .” The tests, presumably, were conducted at what research officers designated, but did not name, “ satellite sites .” These sites were located both in the continental United States and in foreign countries.

Biological terrorism dates as far back as Ancient Rome, when feces were thrown into faces of enemies.

Critics, including the Center of Biological Diversity and New Mexico Department of Game and Fish, were concerned the jaguar was being sacrificed for the government's new border fence, which is to be built along many of the cat's typical crossings between the United States and Mexico.

Biological pigments were often difficult to acquire, and the details of their production were kept secret by the manufacturers.

These pests were rampant in the 1970s and 1980s, but were brought under control following the establishment of the Biological Control Center for Africa of the IITA under the leadership of Dr. Hans Rudolf Herren.

In 1990, two PETA activists posed as employees of Carolina Biological, where they took pictures and video inside the company, alleging that cats were being mistreated.

The American Biological Safety Association ( ABSA ) was officially established in 1984 and a constitution and bylaws were drafted the same year.

The Fish and Wildlife Service was finally created in 1940, when the Bureaus of Fisheries and Biological Survey were combined after being moved to the Department of the Interior.

When the University changed its name in 1964, the colleges were renamed Agriculture and Biological Sciences, Arts and Sciences, Engineering, Home Economics, Nursing, Pharmacy, and the Graduate School.

After work by Johns Hopkins University in the 1950s there was a concept for Direct Injection Antipersonnel Chemical Biological Agent ( DIACBA ) where flechettes were grooved, hollow pointed, or otherwise milled to retain a quantity of chemical biological warfare agent to deliver through a ballistic wound.

The Schools of Architecture, Biological Sciences, Chemistry, English Language and Literature, History of Art, Law, Philosophy, Pure Mathematics and Social Work were ranked at 5.

All of the regiments ' musicians were trained as medical orderlies, however they now undertake a role in Nuclear, Biological and Chemical decontamination.

The batteries used for Alouette were developed by the Defence Chemical, Biological, and Radiation Laboratory ( DCBRL ), another branch of DRB, and were partially responsible for the long lifetime of the satellite.

Diversitas was established in 1991, and its founding sponsors were the United Nations Educational, Scientific and Cultural Organization, the Scientific Committee on Problems of the Environment and the International Union of Biological Sciences.

Biological differences in skin color were used as a justification for the enslavement and oppression of Africans, developing a social hierarchy that placed whites at the top and blacks at the bottom.

Physicists Rudolf Fleischmann and Carl Friedrich von Weizsäcker were known to be working at the University of Strasbourg, as was Eugen von Haagen, an expert on viruses whose work was of great concern to the Alsos Mission's Biological Warfare Section.

In the same year that SALT I was signed, the Biological Weapons Convention and the Anti-Ballistic Missile Treaty were also concluded.

These sections were: ( 1 ) Littérature française, Histoire, Archéologie ; ( 2 ) English Literature, History, Archaeology ; ( 3 ) Mathematical, Physical and Chemical Sciences ; and ( 4 ) Geological and Biological Sciences.

Though herbicides are chemicals, they are often grouped with biological warfare and chemical warfare because they may work in a similar manner as biotoxins or bioregulators and also because the Army Biological Laboratory tested them and the Army's Technical Escort Unit which all chemical, biological, radiological ( nuclear ) materials.

Biological warfare is the intentional use of living microorganisms or their toxic products for the purpose of destroying or reducing the military effectiveness of man.

Biological agents are, moreover, suitable for delivery through enemy sabotage which imposes many problems in defense.

Biological weapons allow for the potential to create a level of destruction and loss of life far in excess of nuclear, chemical or conventional weapons, relative to their mass and cost of development and storage.

On August 10, 1972, President Richard M. Nixon formally transmitted the Biological Weapons Convention to the United States Senate for ratification.

In his transmittal, he states: " I am transmitting herewith, for the advice and consent of the Senate to ratification, the Convention on the Prohibition of the Development, Production, and Stockpiling of Bacteriological ( Biological ) and Toxin Weapons, and on their Destruction, opened for signature at Washington, London and Moscow on April 10, 1972.

Costa Rica is party to many environmental treaties, including the Convention on Biological Diversity, the Convention on Environmental Modification, the United Nations Framework Convention on Climate Change, the Montreal Protocol, the Ramsar Convention, the International Convention for the Regulation of Whaling, the Desertification Convention, the Endangered Species Convention, the Basel Convention, the Convention on the Law of the Sea, the Convention on Marine Dumping, the Comprehensive Test Ban Treaty.

The Secretariat of the Convention on Biological Diversity is the focal point for the International Year of Biodiversity.

The National Biodiversity Centre of Singapore represents Singapore in the Convention for Biological Diversity.

* International Organization for Biological Control

Suggestions for improvement in the operation of CITES include: more regular missions by the Secretariat ( not reserved just for high profile species ); improvement of national legislation and enforcement ; better reporting by Parties ( and the consolidation of information from all sources-NGOs, TRAFFIC, the wildlife trade monitoring network and Parties ); more emphasis on enforcement-including a technical committee enforcement officer ; the development of CITES Action Plans ( akin to Biodiversity Action Plans related to the Convention on Biological Diversity ) including: designation of Scientific / Management Authorities and national enforcement strategies ; incentives for reporting and timelines for both Action Plans and reporting.

Damage to forests and other aspects of nature could halve living standards for the world's poor and reduce global GDP by about 7 % by 2050, a report concluded at the Convention on Biological Diversity ( CBD ) meeting in Bonn.

Kieckhefer Distinguished Research Professor at the Salk Institute for Biological Studies in La Jolla, California.

Orgel also later worked with Crick at the Salk Institute for Biological Studies.

Biological vectors are often responsible for serious blood-borne diseases, such as malaria, viral encephalitis, Chagas disease, Lyme disease and African sleeping sickness.

Legal action by the Center for Biological Diversity led to federal listing of the cat on the endangered species list in 1997.

* International Day for Biological Diversity ( International )

China is a party to the Antarctic-Environmental Protocol, the Antarctic Treaty, the Convention on Biological Diversity, the Climate Change treaty, the United Nations Convention to Combat Desertification, the Endangered Species treaty, the Hazardous Wastes treaty, the Law of the Sea, the International Tropical Timber Agreements of 1983 and 1994, the International Convention for the Regulation of Whaling, and agreements on Marine Dumping, Ozone Layer Protection, Ship Pollution, and Wetlands protection.

In 1999, the Center for Biological and Environmental Nanotechnology was created.

* Jasper Ridge Biological Preserve is a natural reserve owned by the university and used by wildlife biologists for research, located south of the main campus.

He is Senior Adviser to the President of the United Nations Foundation, chair of the Yale Institute for Biospheric Studies, and is past president of the American Institute of Biological Sciences, past chairman of the United States Man and Biosphere Program, and past president of the Society for Conservation Biology.