DAB Substrate Kit (ab64238) Overview. Product overview This product is available in a two component form consisting of a liquid, refrigerator stable DAB Chromogen and DAB Substrate. Once the two components are combined, the reagent can be used for up to six hours, making it ideal for automated stainers.
The colour photograph of Earthrise-taken by Apollo 8 astronaut, William A. Anders, December 24, 1968. Although the photograph is usually mounted with the moon below the earth, this is how Anders saw it. This photograph was taken during the Apollo 8 mission in December 1968, seven months before the first lunar landing.Apollo 8 was the mission which put humans into lunar orbit for the very first time.lthough the photograph is usually mounted with the moon below the earth, this is how Anders saw it. This photograph was taken during the Apollo 8 mission in December 1968, seven months before the first lunar landing. Apollo 8 was the mission which put humans into lunar orbit for the very first time.
The first Earth Day â April 22, 1970 â marked the beginning of the modern environmental movement. Approximately 20 million Americans, especially on college campuses, participated in a national teach-in on environmental issues and protests against environmental deterioration on the first Earth Day.pril 22, 1970 â Arbor Day â was the first Earth Day. Today, a common practice in celebration of Earth Day is still to plant new trees.