Mayan calendar
They had one! And so do we. They both end on some sort of the cycle and the world never ends because of our arbitrary selection of scope. Fraser is really tired of having to argue about this sort of thing with death-cultists. The end.
Galactic alignments
Neutrino detection.
Heating Earth
Earth’s layers. Discovering new and different regions of the earth’s internal structure via seismography. Rate of temperature increase. Effect on oceans. Heat retention and radioactivity.
Ark ships
Space settlement and Christopher’s disappointment. Seveneves as the gold standard for how to relocate humanity to space in an emergency.
Perpetuation of specieseses and culture
Should we keep giraffes? Cows? Any larger fauna? Recognition of the complexity and energy-inefficiencies of the food chain. Surviving on crickets and phytoplankton.
Yellowstone
Yellowstone is no joke! Yellowstone supervolcano (more volcano conversation in our Volcano episode). Pyroclastic flow rates. Lake Toba (is larger).
Magnetosphere
The earth’s internal metal. Pole-flipping!
Tsunami
Propagation of energy via wave through fluid and how it probably shouldn’t roll the ship. Asteroid impacts, landslides, and misplaced fossils.
Anti-apocalypse rant
Fraser’s got some stuff to say on this matter, tell-you-what.
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