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A new theory put forward by a team of researchers may indicate the use of stone weapons by ancient humans from nearly 2 million years ago. The round stones, first excavated in South Africa’s Cave of Hearths 30 years ago, have been analyzed by a team of archaeologists, kinesiologists and psychologists, bringing them to the conclusion that the stones may have been used as throwing weapons.

The 55 mysterious spheroids, each about the size of a tennis ball and dated to between 1.8 million to 70,000 years old, have been found to be just the right size, weight and shape, to hit a target about 25 meters (82 feet) away when thrown.
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Astronomers with the Pale Red Dot Project have announced the discovery of an Earth-like planet orbiting Proxima Centauri, the star closest to Earth. The newfound planet, currently called "Proxima b", has the fortune of being 1.3 times the mass of the Earth, and orbits within the star’s Goldilocks Zone, meaning that it is just the right size and temperature to host liquid water, one of the requirements for life as we know it.
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The erosion of the shoreline of Alaska’s Sarichef Island from rising sea levels has prompted the residents of the island’s village of Shishmaref to decide to relocate, before their traditional island home is overcome by the sea.

Home to 650 Inupiat Inuit, Sarichef Island lies in the Chukchi Sea, just north of the Bering Strait, and like the rest of Alaska, is warming twice as fast as the contiguous states. Shishmaref is one of 31 Alaskan villages that are in danger from erosion and flooding, according to the US Government Accountability Office.
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On August 1, China launched their Quantum Experiments at Space Scale (QUESS) satellite from the Jiuquan Satellite Launch Center in the Gobi Desert. This satellite, a joint Austrian-Chinese collaboration, is intended to facilitate long-distance experiments in quantum optics, to allow the development of secure quantum-encryption communications and quantum information teleportation technology. On August 19, Beijing’s control center successfully received 202 megabytes of data from the satellite, nicknamed Micius after the 5th century Chinese scholar, secured using quantum encryption keys.
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