Anatomically modern humans vs socially modern humans. The evolutionary advantage of controlled fire and beginning to cook food. Getting away from all-day mastication and looooooooong intestines in favor of the big brain on Brad.
Getting boy without modern technology. The earliest evidence for humans cooking with fire. Differentiating human-controlled fire from millennia ago from other sources (like iguanas, or wildfires).
Life expectancies over time. Appreciation for antibiotics. Life expectancy vs lifespan. Evolving into a centauranarian.
Less-than-generous portrayals of religious characters. Third-act surprises. Jesus vs the antichrist.
Preposterous amounts of testosterone. Preposterone. Ahhnold and Carl Weathers. The muscles from Brussels in spaaaaace.
Picking a chunk of the electromagnetic spectrum to be invisible within.
Spatial light manipulation
Temporal light manipulation
Spectral light manipulation
Seeing in infrared! Interactions between optical camouflage and optical receivers. Why doesn’t all the life on Earth have heat vision? Heat-tracking evolution. Pit viper heat sensors. Human heat-tracking. Biology absorbing infrared. Seeing in greyscale. Wet clay camouflage and effectiveness over time. Mythbusting. Infrared-blocking materials.
Aliens vs Predator for top monster. Ears…? Bleeding. The rainbow of different blood colors available on Earth. Green blood. Luminescent blood. Figuring out why only arthropods seems to have mandibles, and lamenting the lack of them in macro predators.
Appreciating that Blade Runner is pretty much officially the same world as Predator now.
Techno-scuttling. Destroying advanced technology to keep it out of enemy hands. Super-expanding polymers. Amazon delivery drone automatic “dispersal.”s