useless trivia: What Word Means: Nickel Cadmium (A Kind Of Battery)?

Questions

Which singer fronted the bands The Specials, Fun Boy Three and The Colour Filed?

In biology which rusiian physiologist was known chiefly for conditioning dogs to salivate upon hearing a bell?

In radio what do the initials CB stand for?

The name of which book comes form the greek word for origin?

Which singers albums include the best selling Graceland?