Misc: In 1957 Charles ---------- of Funk & Wagnalls Encyclopaedias, dies at 76?

Questions

Do the pupils in a person's eyes get larger or smaller in bright light?

Do trees grow more quickly or slowly at night?

Do your pores open or close when your body is hot?

Doctors often have this instrument around their neck?

Does a cat groom itself more in cold weather or in warm weather?