[SunkenCiv]

Map showing location of the study site and extent of bajada system in southeast Arabia, including other identified sections of the Al Ain fan (UAE—United Arab Emirates). Image: Parton et al

[Natufian]

Really interesting. Thanks for posting.

[logi_cal869]

Based on the fact that the rest of the world’s humans of the past are decidedly ‘different’ than ‘Africans’...

...perhaps they migrated out of Africa for much more mundane reasons.

Ya know???

[ProtectOurFreedom]

So human migrations were set in motion by a 23,000 year cycle of solar radiation. It's fascinating that this period is about one-sixth of the time it took humans to migrate out of Africa. If the solar cycle could influence global atmospheric humidity and glaciation that much, the why all the ado about human-forced climate change today? Man obviously adapted before when he had about zero ability to do so other than walking a few tens of miles to a new location to hunt and gather food.

Previously, the timing of episodes of increased humidity was largely linked to global interglacials, with the climate of Arabia during the intervening glacial periods believed to be too arid to support human populations. [Now] Parton and colleagues suggest, however, that periods of increased rainfall were not driven by mid-high latitude deglaciations every ~100,000 years, but by periods of maximum incoming solar radiation every ~23,000 years.

[dfwgator]

So we’re ALL African-Americans.....Reparations for Everyone!

[central_va]

They were looking for white chicks.

[JimSEA]

In that part of the world, they should be able to get good dates for the alluvial fans.