Ancient Roman concrete arches contained volcanic ash, which helped them self-heal when cracks formed by reacting with water. This made them incredibly durable, lasting for millennia. nudes
Bite the Bullet: This phrase is believed to originate from the days before modern anesthesia when soldiers were given bullets to bite on during surgery to cope with extreme pain. This practice allowed them to focus on something else during painful proced
The Sahara Desert is expanding at a rate of roughly 10000 km^2 per year due to a combination of natural and human induced factors. Deforestation, climate change, and agricultural practices contribute to the desertification of these areas.
Earth’s magnetic poles flip roughly every 200k to 300k years, but the last reversal was about 780k years ago. Some scientists think we’re overdue, but the timing is unpredictable and could take thousands of years. A flip might disrupt technology and
The depictions of deities with multiple arms represents their godly attributes, as often each arm holds an item symbolizing an aspect of life that the divinity is responsible for.
