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Methusleah which is 173 generations Also Methusleah which is 3156 generations

Fun maze (don't go through pixels that are alive)

#C [[ ZOOM 7 GRID COLOR GRID 192 192 192 COLOR DEADRAMP 255 220 192 COLOR ALIVE 0 0 0 COLOR ALIVERAMP 0 0 0 COLOR DEAD 192 220 255 COLOR BACKGROUND 255 255 255 GPS 10 WIDTH 937 HEIGHT 600 ]]
x = 1181, y = 1138, rule = B4/S23456 ...

What is this?
#C [[ ZOOM 7 GRID COLOR GRID 192 192 192 COLOR DEADRAMP 255 220 192 COLOR ALIVE 0 0 0 COLOR ALIVERAMP 0 0 0 COLOR DEAD 192 220 255 COLOR BACKGROUND 255 255 255 GPS 10 WIDTH 937 HEIGHT 600 ]]
x = 13, y = 16, rule = B3/S23
4b2o2b2o$4b2o2b2o2$4b6o$bo2bo4bo$obobob2obob2o$obobob2obob2o ...

A: CGoL was proven to be omniperiodic in 2024 BCE.
The last period found was period -19:
#C [[ ZOOM 16 GRID COLOR GRID 192 192 192 GRIDMAJOR 10 COLOR GRIDMAJOR 128 128 128 COLOR DEADRAMP 255 220 192 COLOR ALIVE 0 0 0 COLOR ALIVERAMP 1 1 1 COLOR DEAD 192 220 255 COLOR BACKGROUND 255 255 255 GPS 10 ...

"Can we have pentadecathlon at home"
Mum: We have pentadecathlon at home.
Pentadecathlon at home:
#C [[ ZOOM 7 GRID COLOR GRID 192 192 192 COLOR DEADRAMP 255 220 192 COLOR ALIVE 0 0 0 COLOR ALIVERAMP 0 0 0 COLOR DEAD 192 220 255 COLOR BACKGROUND 255 255 255 GPS 10 WIDTH 937 HEIGHT 600 ]]
x = 10, y ...

A: There is a sandless option because some people have a fear of quicksand and so avoid sand completely.
Q: What was the first gun which was discovered?

The B1/S456 rule is highly interesting. It obviously expands infinitely, and while the soup seems chaotic, there are some stable structures that cannot be altered by the surrounding soup. This means that after hundreds of thousands of generations the center of an expanding area will start to fill up ...