Questions with the keyword 'sight'

Does a blind person see black – like when non blind people close their eyes – or do they see nothing, which leads to by bavi kuhendran to Samantha, Matt, Karolina, David, Anita, Amanda Comments: (No comments so far )
If someone was wearing red-tinted glasses, would they still be able to hallucinate red images? Or any other colour? by radicalbiologist to Simon, Sara, John Robert, Gemma, Connie, Becky, Amanda, Alison Comments: (No comments so far )

Could I Live Forever? (1 comment)
If you could meet a very famous scientist (past or present), who would it be? (1 comment)
What is the smallest cell you have researched? (1 comment)
Hi Alison,I enjoyed your Xmas lectures; the demonstrations brought clarity to the subject, though I was curious why (1 comment)
What are the useful properties of oxygen? What is it about oxygen that keeps us alive, what does it do? (1 comment)