(Encyclopedia) protactiniumprotactiniumprōˌtăktĭnˈēəm [key], radioactive chemical element; symbol Pa; at. no. 91; mass number of most stable isotope 231; m.p. greater than 1,600℃; b.p. 4,026℃; sp. gr…
Chiefs of State and Cabinet Members of Foreign GovernmentsDate of Information: 10/30/22[source]
Fed. Pres. Frank-Walter Steinmeier Chancellor Olaf Scholz Vice Chancellor Robert Habeck…
The members of the U.S. Senate in the 117th Congress are listed below. Dates in the left column indicate term in office; birth years are given in parentheses after party affiliation. All terms are…
First Place: $100,000 scholarship, Shannon Lisa Babb, 18, of Highland, Utah, for an environmental science project identifying the human impact to water quality along…
Source: National Education Association (NEA). Web: www.nea.org/readacross/resources/kidsbooks.html . This list was tabulated from an online survey that the National Education Association ran from…
Leonardo Da Vinci (1452–1519) Italian Renaissance artist who was most famous as a painter but also excelled at drawing (particularly the human anatomy),…
Related Links Intel Science Talent Search WinnersNobel Prize Winners2006 MacArthur Foundation AwardsThe MacArthur Foundation awards monetary prizes each year in order to provide financial…
First Place: $50,000 scholarship, Natalia Toro, 14, Fairview High School, Boulder, Colo., for her physics project “Independent Analysis of Evidence for nu_mu <—> nu_tau Oscillations in the…
