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Tools May Have Been Showtime Money

acheulian hand axe, human tool use, tool development, homo erectus, ancient hominids, acheulian, acheulean, homo habilis

Examples of manus axes found in Kenya, which indicate that early humans were using stone mitt axes equally far back every bit ane.eight million years agone. (Image credit: Pierre-Jean Texier, National Eye of Scientific Research, French republic)

VANCOUVER, British Columbia — Hand axes, small handheld rock tools used by ancient humans, could accept served as the first commodity in the human world thanks to their durability and utility.

The axes may accept been traded betwixt human groups and would accept served as a social cue to others, Mimi Lam, a researcher from the University of British Columbia, suggested in her talk at the American Association for the Advancement of Science annual meeting here on February. 18.

"The Acheulean mitt ax was standardized and shaped, became exchanged in social networks and took on a symbolic meaning," Lam said. "My proffer was that hand axes were the first commodity: A marketable good or service that has value and is used as an item for substitution."

Evolution of tools

"Humans are unique in their use of tools," Lam said. "Nosotros brand stone tools and the stones are durable and become part of our external environment." These tools, she added, could have been passed downward in family groups or traded with other ancient hominids. [10 Animals That Use Tools]

As humans became more intelligent, their tools become more symmetrical. "They became standardized as a issue of social norms and likewise utility. Somewhen, over time, hand axes were made special to ready them apart," Lam said. "At that place was a tendency to distinguish these common tools that had a standard shape."

Examples of mitt axes from most 250,000 to 700,000 years ago incorporate some of these special properties, such as existence made of pinkish rock or stone embedded with fossils. Ancient humans also made large axes that stood out from the crowd.

Tool encephalon

These tools also had a tremendous importance in the development of human social and cognitive intelligence. "Organisms tin can alter their ecological niche with tool use… and they can learn from the impacts of the construction activities on their environment," Lam said. "This has been really of import in the evolution of humans."

Making tools takes a lot of brainpower, Lam said. The ancient humans "had to take a mental template or an idea of the tools they wished to fashion," Lam said. They were able to understand how dissimilar tool shapes had different purposes. "That process is the feedback process between what y'all are doing and the consequence you lot are having on your environment."

Hand axes were so important to ancient humans that they developed as icons and symbols that are notwithstanding used by social club. (For example, they are frequently institute on the covers of metal albums.) These tools eventually transformed into being used as literal currency. The Chinese exchanged tools every bit coin, which eventually turned into representations of tools, which were even featured on coins.

You lot can follow LiveScience staff author Jennifer Welsh on Twitter @microbelover. Follow LiveScience for the latest in science news and discoveries on Twitter @livescience and on Facebook.

Jennifer Welsh is a Connecticut-based science writer and editor and a regular contributor to Live Scientific discipline. She likewise has several years of bench work in cancer research and anti-viral drug discovery under her belt. She has previously written for Science News, VerywellHealth, The Scientist, Discover Magazine, WIRED Scientific discipline, and Business Insider.

Source: https://www.livescience.com/18751-hand-axe-tools-money.html

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