As the speed of a body approaches the speed of light, its mass approaches what?

More Questions:

For what game were two jokers originally included in a standard deck of playing cards?

Which alphabet consists of just dots?

If you order a Snakebite cocktail in the UK, what would you get?

What does the "J" stand for in the name of rapper LL Cool J?

What two US states begin with the letter "T"?

What canal connects Lake Ontario and Lake Erie?

Copper gets its name from which Mediterranean country?

How many blowholes does a southern right whale have?

Who won a Nobel Prize for discovering Insulin?

What object did Ben Franklin attach to the end of a kite string to prove that lightning is electricity?

Which TV show used the song "A Little Less Conversation" by Elvis Presley as its theme song?

Who succeeded Anthony Eden as Prime Minister in 1957?

What year was Hudson’s Bay Company founded?

Who was the Roman god of sleep?

What Turkish city has spread to both sides of the Bosphorus Strait?