It appears that an unidentified species of human has mastered obsidian, which was previously thought to have only been possible in the Stone Age. Obsidian is without a doubt one of the most badass materials ever imagined, having been forged in magma and having the ability to produce the sharpest blades on Earth (there's a reason George RR Martin chose it as the weapon of … [Read more...] about 1.2-Million-Year-Old Obsidian Axe Factory Found In Ethiopia
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The National Geographic Travel Photo Contest: Eye-Opening Entries
The National Geographic 2019 Travel Photo Contest has been open since March 18, and submissions will be accepted until May 3, 2019, at noon Eastern Standard Time. Every week, the publication has revealed a selection of entries from the previous week. A split-shot capture of an adolescent humpback whale, a candid moment of a mother loon feeding her chicks, and squiggles of … [Read more...] about The National Geographic Travel Photo Contest: Eye-Opening Entries
When a Navy Fighter Jet Approaches the Speed of Sound, “Shockwave Lines” Are Visible
A remarkable close-up photograph of a plane producing "shockwave lines" as it approached the speed of sound was taken by photographer Camden Thrasher while he was documenting a display of US Navy fighter jets. The photo of a McDonnell Douglas F/A-18 Hornet, the supersonic multirole combat jet first introduced in the US Navy in 1984, was taken by the motorsport and aviation … [Read more...] about When a Navy Fighter Jet Approaches the Speed of Sound, “Shockwave Lines” Are Visible
Cows Painted To Look Like Zebras Repel Flies Better Than Plain-Coated Cows
A cow's days of fly-shooting and hoof-stomping may be coming to an end. According to researchers, all it takes to repel pests is a fresh coat of paint. According to a new study published in PLOS One, black cows painted to look like zebras are nearly 50% less likely to suffer from pesky horse fly bites. Six cows were given black-and-white stripes, black stripes, and no … [Read more...] about Cows Painted To Look Like Zebras Repel Flies Better Than Plain-Coated Cows
A Diver And A Humpback Whale Swim Together While Exchanging High Fives
Off the coast of Hawaii, a couple of divers were swimming when an extremely unusual event occurred. They were swimming close to a pod of humpback whales when one of them, weighing 79,366 pounds, calmly extended its enormous flipper in their direction. The white-bellied female whale reached out with her fin to shake hands (or give the diver a high-five). The human piqued her … [Read more...] about A Diver And A Humpback Whale Swim Together While Exchanging High Fives