Description: On January 24, 1925, for the first time in over a century, a total solar eclipse would be visible across the northern part of the United States. How scientists used a dirigible to observe the phenomenon.
Description: May 11 is the anniversary of establishment of the White House Office of Science and Technology Policy (OSTP). That 1976 legislation further ratified the influence of scientists on national policy, positioning them to provide ready advice to the President.