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False color image of mitochondria [in the University of Pittsburgh colors of blue and gold]. The original transmission electron micrographs are actually in a range from white to black. CREDIT: Center for Biologic Imaging, University of Pittsburgh.
Three mitochondria (blue) fractured to reveal the internal structure.
The internal membranes (cristae — made visible here) are covered with enzyme complexes involved in the conversion of metabolites into energy.
The surrounding cytoplasm is shown in gold.
— Katey Chrest (via thinly)
Classified as the World’s First Temple, Göbekli Tepe, is a pre-historic site about 15 km away from the city of Sanliurfa, Southeastern Turkey. What makes Göbekli Tepe unique is the date it was built, which is roughly twelve thousand years ago, circa 10,000 BC—- Archaeologically categorized as a site of the Pre-Pottery Neolithic A Period (c. 9600–7300 BC).
Göbekli Tepe is a series of mainly circular and oval-shaped structures set on the top of a hill, most likely used for religious purposes. And it’s not the only one, in fact excavations and geo magnetic results revealed that there are at least 20 installations, each with a pattern principle which seems to be that there are two huge monumental pillars in the center of each installation surrounded by enclosures and walls, featuring more pillars in those set-ups.
All of the pillars are T-shaped with carvings of abstract symbols and animals; foxes, snakes, wild boars, cranes, wild ducks being the most common.
The unique method used for the preservation of Göbekli Tepe has really been the key to the survival of this amazing site. Whoever built this magnificent monument backfilled the various sites and buried them deep under by using an incredible amount of material, leading to excellent preservation.
In a time when even simple hand tools were hard to come by, how did they get these stone blocks there, and how did they erect them? With no settlement or society to speak of, with farming still a far cry away, in a world of only roaming hunter-gatherers, the complexity and developed blueprints of these temples represented another enigma for archeologists. Do we have to change our vision of how and when civilized human history began…?
My grandma sounds like she’s using her last dying breath to ask me what I want for christmas
god i hate ze frank every other time i watch one of his videos i end up crying
I’m sick and sunk and I blame myself because I make things hard and you’re just trying to help.