Board Thread:General Discussion/@comment-7971816-20170202170216/@comment-27794543-20170203012047

Why wouldn't there be grounders in Egypt? People survived the original apocalypse in Northern America, so people could have survived in the middle east as well. It depends which theory you prescribe to. One theory is that Becca created the anti-radiation cure, thus why she was able to breath freely on Earth while the other survivors had hazmat suits. Per that theory, she spread her cure and all Grounders descent from that group. All other survivors on Earth are people like the Mountain Men who live in bunkers and die quickly on the surface.

Other theories include: 2) Other groups created their own cure, e.g. Mountain Men found out they can be cured by taking Sky People's bone marrow. 3) Survival of the fittest – majority of humans died out, but those who survived were born with more radiation immunity than those who didn't. Becca's injection wasn't an anti-radiation cure, it just gave people compatibility with A.L.I.E. 2.0. Becca was just lucky she had natural radiation resistance when she took off her helmet when she landed on Earth.