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Published Mayas utilized market-based economics - Mayas Utilized Market-Based Economics: A Look into the Sophisticated Trade System of the Ancient Civilization
(via sciencedaily.com) 
More than 500 years ago in the midwestern Guatemalan highlands, Maya people bought and sold goods wi...
Published The colors on these ancient pots hint at the power of an empire - The Colors on These Ancient Pots Hint at the Power of an Empire
(via sciencedaily.com) 
Comparing the colors on pieces of ancient Peruvian pottery revealed that potters across the Wari emp...
Published Surprisingly simple explanation for the alien comet 'Oumuamua's weird orbit - Surprisingly Simple Explanation for the Alien Comet 'Oumuamua's Weird Orbit
(via sciencedaily.com) 
When the first interstellar comet ever seen in our solar system was discovered in 2017, one characte...
Published Archaeological study of 24 ancient Mexican cities reveals that collective forms of governance, infrastructural investments, and collaboration all help societies last longer - Archaeological Study of 24 Ancient Mexican Cities Reveals the Importance of Collective Governance, Infrastructural Investments, and Collaboration for Societal Longevity
(via sciencedaily.com) 
Some cities only last a century or two, while others last for a thousand years or more. Often, there...
Published Sea urchin die-offs threaten Caribbean coral reefs - Sea Urchin Die-Offs Threaten Caribbean Coral Reefs
(via sciencedaily.com) 
The sustained loss of a once abundant species of sea urchin in the Caribbean could also result in th...
Published The size of mammal ancestors' ear canals reveal when warm-bloodedness evolved - The Size of Mammal Ancestors' Ear Canals Reveal When Warm-Bloodedness Evolved
(via sciencedaily.com) 
Warm-bloodedness is a key mammal trait, but it's been a mystery when our ancestors evolved it. A new...
Published New study challenges old views on what's 'primitive' in mammalian reproduction - New Study Challenges Old Views on What's 'Primitive' in Mammalian Reproduction
(via sciencedaily.com) 
Which group of mammals has the more 'primitive' reproductive strategy -- marsupials, with their shor...
Published Ancient genomes reveal immunity adaptation in early farmers - Ancient Genomes Reveal Immunity Adaptation in Early Farmers
(via sciencedaily.com) 
Research has revealed that diversity in genes coding for immunity may have facilitated adaptation to...
Published A sharper look at the M87 black hole - A Sharper Look at the M87 Black Hole
(via sciencedaily.com)
Original source 
The iconic image of the supermassive black hole at the center of M87 has gotten its first official m...
Published Scientists discover hidden crab diversity among coral reefs - Scientists Discover Hidden Crab Diversity Among Coral Reefs
(via sciencedaily.com) 
The Indo-West Pacific is the largest marine ecosystem on Earth, but scientists who study its diversi...
Published Explosive volcanic eruption produced rare mineral on Mars - Explosive Volcanic Eruption Produced Rare Mineral on Mars
(via sciencedaily.com) 
Planetary scientists have an answer to a mystery that's puzzled the Mars research community since NA...
Published Fossils of giant sea lizard that ruled the oceans 66 million years ago discovered - Fossils of Giant Sea Lizard that Ruled the Oceans 66 Million Years Ago Discovered
(via sciencedaily.com) 
Fossils of a giant killer mosasaur have been discovered, along with the fossilized remains of its pr...
Published Cyprus's copper deposits created one of the most important trade hubs in the Bronze Age - Cyprus's Copper Deposits: A Key Trade Hub in the Bronze Age
(via sciencedaily.com) 
The coveted metal copper and a sheltered location turned the Cypriot village of Hala Sultan Tekke in...
Published Scientists discover pristine deep-sea coral reefs in the Galápagos Marine Reserve - Scientists Discover Pristine Deep-Sea Coral Reefs in the Galápagos Marine Reserve
(via sciencedaily.com)
Original source 
Scientists have discovered extensive, ancient deep-sea coral reefs within the Galápagos Marine Reser...
Published Astronomy: Observation puzzles researchers - Astronomy: Observation Puzzles Researchers
(via sciencedaily.com) 
An international team of astrophysicists has made a puzzling discovery while analyzing certain star...
Published Humanity's earliest recorded kiss occurred in Mesopotamia 4,500 years ago - Humanity's Earliest Recorded Kiss Occurred in Mesopotamia 4,500 Years Ago
(via sciencedaily.com)
Original source 
Written sources from Mesopotamia suggest that kissing in relation to sex was practiced by the people...
Published Weigh a quasar's galaxy with precision - Weigh a Quasar's Galaxy with Precision
(via sciencedaily.com)
Original source 
Scientists have managed to weigh -- more precisely than any other technique -- a galaxy hosting a qu...
Published Puerto Rico is prone to more flooding than the island is prepared to handle - Puerto Rico is Prone to More Flooding than the Island is Prepared to Handle
(via sciencedaily.com) 
Puerto Rico is not ready for another hurricane season, let alone the effects of climate change, acco...
Published Study of algae in Acadia National Park lakes shows recovery from acidification - Study of Algae in Acadia National Park Lakes Shows Recovery from Acidification
(via sciencedaily.com) 
Research shows that federal regulations to reduce human-caused sulfur in the atmosphere have aided i...
Published Lessons in sustainability, evolution and human adaptation -- courtesy of the Holocene - Lessons in Sustainability, Evolution, and Human Adaptation -- Courtesy of the Holocene
(via sciencedaily.com)
Original source 
The El Gigante rockshelter in western Honduras is among only a handful of archaeological sites in th...