UnScramble this Word: g r a s u l r e?

Questions

25 November 1960 1st atomic ---------- for research & development, Richland Wa ?

28 November 1960 Mauritania gains independence from ---------- (National Day) ?

What is the study of sciences connected to the sea called?

Which chess move allows you to move two of your own pieces?

What colour are the corner squares of a scrabble board?