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- Ancient Egyptians developed basin irrigation as an agricultural technique.
- Ancient Egyptians developed basin irrigation as an agricultural technique.
- Ancient Roman concrete, used in structures like the Pantheon, is stronger than modern concrete and becomes more durable over time through chemical reactions with seawater.
- Ancient Egyptian civilization relied on the Nile River's dependable seasonal flooding for agriculture.
- Ancient Egyptians were among the first groups of people to practice agriculture on a large scale.
- Ancient Egyptians cultivated papyrus as an industrial crop.
- Ancient Egyptians are credited as being one of the first groups of people to practice agriculture on a large scale.
- Early Chinese cultures showed astronomical interest, as evidenced by historical records.
- Ancient Egyptians cultivated flax as an industrial crop.
- Ancient Egyptians grew flax as an industrial crop.
- Ancient Egyptians grew wheat and barley as staple food crops.
- Ancient Egyptians domesticated corkscrew-horned sheep and depicted them on stone tomb murals of pharaohs.
- Ancient Egyptians believed coffins could transform the deceased, not just contain them.
- Central American cultures showed astronomical interest in early history.
- Ancient Egyptian coffins were believed to act as a portal between the worlds of the living and the dead.
- Honey never spoils; archaeologists have found 3,000-year-old honey in Egyptian tombs that was still perfectly edible.
- Mammoths still walked the Earth when the pyramids were built—woolly mammoths survived on Wrangel Island until ~2000 BCE, 500 years after Giza's construction.
- North European cultures showed astronomical interest in early history.
- Honey never spoils. Archaeologists have found 3,000-year-old honey in Egyptian tombs that was still perfectly edible.
- Early astronomical records from the Babylonians date back to around 1000 BC.
- Pre-Columbian civilizations of the Andes region identified astronomical configurations based on dark silhouettes rather than bright stars.
- Cleopatra lived closer in time to the Moon landing than to the construction of the Great Pyramid of Giza by about 500 years.
- Ancient Egypt emerged as a unified civilization around 3150 BC when Upper and Lower Egypt were united.
- Cleopatra lived closer in time to the Moon landing (1969) than to the construction of the Great Pyramid of Giza by roughly 500 years.
- Astronomy achieved a high level of success in the second half of the first millennium.
- Towards the end of the 19th century, scientists discovered phenomena in both the macro and micro worlds that classical physics could not explain.
- Classical physics is still used in much of modern science and technology despite the development of quantum mechanics.
- Tardigrades can survive in the vacuum of space, withstand pressures six times greater than the deepest ocean trenches, and endure radiation doses 1,000 times what would kill a human.
- The largest known structure in the universe is the Hercules-Corona Borealis Great Wall, a galactic filament spanning roughly 10 billion light-years.
- Tardigrades can survive in outer space, withstand pressures six times greater than the deepest ocean trenches, and live without food or water for more than 30 years.