Spreading Bacteria

At 12 PM a scientist put a bacteria in a container. The bacteria reproduce by splitting every minute into two. If at exactly 1 PM the container was full, at what time was it half-full?

Since every minute the bacteria double their quantity, the container was half-full at 12:59 PM.

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      1. I have an empty water bottle. I drop one worm inside the water bottle and it divides in half, and the following worms divide in half, and the bottle fills up in 30 seconds. How many seconds would it take the bottle to fill up if I originally dropped in two worms?