Anyone speak english/ american?

Please help me to find my words that "wrong/incorrect" in this sentences and please justify ^^

Thanks ^^ :) :) :)

1. the brain is composed of a mass of softly gray matter in the skull that controls our intelligence
   
2. best represented in a famous oil painting by da Vinci, The Last Supper it is an important part of the history of Christianity
   
3. together with his friend Little John, Robin Hood are fondly remembered today by millions of people
   
4. after to have won the 1945 Pulitzer Prize fo A Bell for Adano, John Hersey wrote a nonfiction book about the bombing of Japan
   
5. although human have highly developed brains, most animals have more acute sense than them
   
6. there is much bird migration above the equator, where the Pole Star can be seen, than below the equator, where it cannot be seen
   
7. one of the claims made against science is that data are often manipulated to prove a scientist's thesis, than studying it for possible contradictions