Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Quarrying of Stone

Quarrying of Stone

Quarrying is the process of extracting stone from a quarry, where specialized techniques are employed to remove large blocks of stone safely and efficiently. This process can involve controlled explosions or more precision-oriented methods such as cutting and drilling.
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the...

Brick Cutting Techniques

Brick Cutting Techniques

Brick-cutting techniques involve various tools and methods to shape bricks for construction. A mason's hammer with a chisel-pointed end is used for basic shaping through sharp, precise strikes. For more complex shapes requiring higher precision, a power saw with a water-cooled diamond blade is used.
Cut bricks are categorized by size. Bricks cut to half their original length are called half-bats, while those cut to three-fourths their length are known as three-fourth bats.
Special types of...

Toughness and Hardness of Aggregate

Toughness and Hardness of Aggregate

Toughness and hardness are critical properties of aggregate materials used in concrete, particularly on pavement surfaces and industrial flooring subjected to heavy loads. Toughness is defined as the aggregate's resistance to failure by impact and is measured by the aggregate impact value (AIV). For this, the aggregate impact value test is performed, wherein the impact is delivered by a standard hammer, which falls freely under its own weight onto the aggregates. The aggregates fragment in...

Extraction: Advanced Methods

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...

Bone Remodeling

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.

Cleavage and Blastulation

Cleavage and Blastulation

After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube. Cleavage is a mitotic cell division that does not result in growth. With each round of successive cell division, daughter cells get increasingly smaller.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Swartkrans <i>Paranthropus</i> and Sterkfontein <i>Australopithecus</i> from southern Africa had different locomotor repertoires.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

Hominin postcranial remains from Drimolen Main Quarry, South Africa.

Anatomical record (Hoboken, N.J. : 2007)·2026

Same author

Combined uranium-series and electron spin resonance dating from the Pliocene fossil sites of Aves and Milo's palaeocaves, Bolt's Farm, Cradle of Humankind, South Africa.

PeerJ·2024

Same author

East-to-west human dispersal into Europe 1.4 million years ago.

Nature·2024

Same author

Why the geosciences are becoming increasingly vital to the interpretation of the human evolutionary record.

Nature ecology & evolution·2023

Same author

Expanded geographic distribution and dietary strategies of the earliest Oldowan hominins and <i>Paranthropus</i>.

Science (New York, N.Y.)·2023

Search research articles

Related Experiment Video

Updated: Sep 18, 2025

Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices

Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices

Published on: March 10, 2023

Skill and efficiency in Acheulian giant core reduction.

Coen G Wilson¹, Matthew V Caruana², Bruce Bradley³

¹Department of Archaeology and History, La Trobe University, Melbourne, Victoria, Australia.

Royal Society Open Science

|June 26, 2025

Summary

This summary is machine-generated.

Technological skill in Acheulian giant core (GC) reduction was crucial for producing standardized large flake blanks for large cutting tools (LCTs). Expert knappers efficiently exploited core volume, optimizing blank production and potentially influencing social skill development.

Keywords:

cleavers core reduction handaxes large flake blanks quartzite

More Related Videos

A Sectioning, Coring, and Image Processing Guide for High-Throughput Cortical Bone Sample Procurement and Analysis for Synchrotron Micro-CT

A Sectioning, Coring, and Image Processing Guide for High-Throughput Cortical Bone Sample Procurement and Analysis for Synchrotron Micro-CT

Published on: June 12, 2020

Author Spotlight: Innovative Device Development for Advancing Dendroecology and Wood Anatomy Research

Author Spotlight: Innovative Device Development for Advancing Dendroecology and Wood Anatomy Research

Published on: September 27, 2024

Related Experiment Videos

Last Updated: Sep 18, 2025

Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices

Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices

Published on: March 10, 2023

A Sectioning, Coring, and Image Processing Guide for High-Throughput Cortical Bone Sample Procurement and Analysis for Synchrotron Micro-CT

A Sectioning, Coring, and Image Processing Guide for High-Throughput Cortical Bone Sample Procurement and Analysis for Synchrotron Micro-CT

Published on: June 12, 2020

Author Spotlight: Innovative Device Development for Advancing Dendroecology and Wood Anatomy Research

Author Spotlight: Innovative Device Development for Advancing Dendroecology and Wood Anatomy Research

Published on: September 27, 2024

Area of Science:

Paleolithic archaeology
Experimental archaeology
Lithic technology

Background:

The Acheulian period (0.774-0.129 Ma) saw widespread use of giant core (GC) reduction strategies.
These strategies produced standardized large flake blanks for crafting large cutting tools (LCTs) like handaxes and cleavers.
Previous research focused on LCT shaping skill, neglecting early stages like raw material acquisition and blank production.

Purpose of the Study:

To investigate the role of technological skill in reducing giant quartzite cores for large flake blank production.
To compare expert, intermediate, and novice knapping performances in actualistic experiments.

Main Methods:

Conducted actualistic experiments using giant quartzite cores.
Contrasted knapping performances of expert, intermediate, and novice individuals.
Analyzed efficiency of core volume exploitation and morphometric features of produced blanks.

Main Results:

Knapping expertise significantly correlated with increased efficiency in exploiting core volume.
Expert knappers produced blanks with superior morphometric features ideal for LCT shaping.
Skillful blank production may have involved front-loading cognitive investment.

Conclusions:

Technological skill is vital in the early stages of Acheulian tool manufacture, specifically in giant core reduction.
Economizing LCT shaping through skilled blank production likely involved expert cognition.
Skill development in Acheulian societies may have had social dimensions.