Subscribe to our free daily newsletters
. Earth Science News .




Subscribe to our free daily newsletters



ABOUT US
Capuchin monkey observed making stone flakes in Brazil
by Brooks Hays
Oxford, England (UPI) Oct 19, 2016


disclaimer: image is for illustration purposes only

Researchers have observed capuchin monkeys in Brazil making stone flakes similar to those made by early hominins for cutting and scraping.

The findings could complicate the interpretation of artifacts recovered from Stone Age archaeological sites. Until now, archaeologists assumed a large collection of stones with conchoidal fractures and sharp cutting edges were a sure sign of early human activity. That's no longer the case.

"Within the last decade, studies have shown that the use and intentional production of sharp-edged flakes are not necessarily linked to early humans, the genus Homo, who are our direct relatives, but instead were used and produced by a wider range of hominins," Tomos Proffitt, an archaeologist at the University of Oxford, said in a news release. "However, this study goes one step further in showing that modern primates can produce archaeologically identifiable flakes and cores with features that we thought were unique to hominins."

Monkeys don't appear to create the flakes intentionally for use as tools. Instead, their production is a byproduct of "percussive behavior," the slamming of stones together to get at minerals and bits of lichen. Unfortunately, intentionality isn't easy to identify several hundred thousand years after the fact.

Researchers say the latest findings -- detailed in the journal Nature -- don't discredit the earliest hominin artifacts recovered in Africa. But they do raise new questions about the early evolution of tool-making.

"These findings challenge previous ideas about the minimum level of cognitive and morphological complexity required to produce numerous conchoidal flakes," Proffitt said.

While research may need to reconsider the attributes considered unique to the earliest humans, there remain other ways to differentiate between humans and monkeys.

"While humans are not unique in making this technology, the manner in which they used them is still very different to what the monkeys seem capable of," said archaeologist Michael Haslam.


Thanks for being here;
We need your help. The SpaceDaily news network continues to grow but revenues have never been harder to maintain.

With the rise of Ad Blockers, and Facebook - our traditional revenue sources via quality network advertising continues to decline. And unlike so many other news sites, we don't have a paywall - with those annoying usernames and passwords.

Our news coverage takes time and effort to publish 365 days a year.

If you find our news sites informative and useful then please consider becoming a regular supporter or for now make a one off contribution.

SpaceDaily Contributor
$5 Billed Once


credit card or paypal
SpaceDaily Monthly Supporter
$5 Billed Monthly


paypal only

.


Related Links
All About Human Beings and How We Got To Be Here






Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle

Previous Report
ABOUT US
New tools identify key evolutionary advantages from ancient hominid interbreeding
Oxford, UK (SPX) Oct 20, 2016
Neanderthals. Denisovans. Homo sapiens. Around 50,000 years ago, these hominids not only interbred, but in some cases, modern humans may have also received a special evolutionary advantage from doing so. As more and more data from archaic genomes are becoming available, scientists have become keenly interested in pinpointing these regions to better understand the potential benefits that may have ... read more


ABOUT US
Impact of the Fukushima accident on marine life, five years later

Haiti hurricane victims lose hope of receiving aid

Power impact from Matthew nowhere near Hurricane Sandy

UN worried over attacks on aid convoys in hurricane-hit Haiti

ABOUT US
Pushing the boundaries of magnet design

Polymer breakthrough to improve things we use everyday

Efficiency plus versatility

Achieving ultra-low friction without oil additives

ABOUT US
Sharks are beautiful, diver says despite narrow escape

Ocean warning for Pacific's Melanesia

In drought, Los Angeles grapples with water-guzzling rich

Study: Bait worms a surprisingly valuable marine resource

ABOUT US
Scientists launch unprecedented Antarctic research mission

Future of Antarctic marine protected at risk

Antarctica is practically defined by ice. What happens when it melts?

New permafrost map shows regions vulnerable to thaw, carbon release

ABOUT US
Model predicts spread of harmful plant pathogen around the globe

Plants actively direct their seeds via wind or water towards suitable sites

Small-scale agriculture threatens the rainforest

Massive US health tab for hormone-disrupting chemicals

ABOUT US
Millions in Philippines on alert for super typhoon

Honduras alert over heavy rains

Super typhoon smashes northern Philippines

Vietnam floods kill 25 as new typhoon approaches

ABOUT US
Mozambique peace talks resume after negotiator's murder

20 dead in Pygmy-Bantu caterpillar clashes in DR Congo

Mali governor visits troubled region for first time in years

Three Burkinabe troops killed in attack near Mali border

ABOUT US
Female chimpanzees don't fight for 'queen bee' status

New tools identify key evolutionary advantages from ancient hominid interbreeding

Capuchin monkey observed making stone flakes in Brazil

Wild chimpanzee mothers teach young to use tools, video study confirms




Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News






The content herein, unless otherwise known to be public domain, are Copyright 1995-2017 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement