Level 1 - Absolute Beginner

Scientists found very old wooden tools in Greece. The tools are 430,000 years old. This is a very long time ago. Early humans made these tools.

One tool is a long stick used for digging. The other is a smaller piece of wood. The tools were found in the ground. They were kept safe by wet soil.

This is a big discovery. These are the oldest tools of this kind ever found. They are older than any other handheld wooden tool. Scientists are very excited.

ancient

very old; from a very long time ago

tool

an object made and used by people to do work

discovery

finding something new or unknown for the first time

scientist

a person who studies the natural world to learn new things

dig

to break up and move soil or ground

wooden

made from wood

preserve

to keep something safe from damage or decay

soil

the top layer of earth in which plants grow

Level 2 - Elementary

Scientists have discovered two wooden objects in Greece that are the oldest handheld tools ever found, dating back about 430,000 years. The tools were excavated at a site called Marathousa 1 in the Megalopolis Basin in southern Greece. They were made and used by early human ancestors long before modern humans existed.

One tool is a 2.5-foot-long digging stick made from alder wood. Scientists can tell it was used for digging because of special marks on its surface called use-wear marks. The second object is smaller and made from willow or poplar wood. It may have been used to shape stones.

The tools survived for so long because of special conditions at the site. The area was once the edge of an ancient lake. The wet, low-oxygen soil slowed down decay and kept the wood in good condition for hundreds of thousands of years.

The study was published in the journal PNAS. It was led by Professor Katerina Harvati from the University of Tubingen in Germany and Dr. Annemieke Milks from the University of Reading in England. The discovery extends the known history of wooden tool use by at least 40,000 years.

excavate

to carefully dig up objects from the ground for scientific study

ancestor

an early relative from whom a person or group is descended

use-wear marks

patterns of scratches or polish on a tool that show how it was used

decay

the slow process by which dead material breaks down and rots

oxygen

a gas in the air that living things need to breathe and that helps things burn or rot

journal

a scientific publication where researchers share their discoveries

alder

a type of tree that commonly grows near rivers and lakes

willow

a type of tree with long flexible branches that grows near water

Level 3 - Intermediate

An international research team led by Professor Katerina Harvati of the University of Tubingen and Dr. Annemieke Milks of the University of Reading has identified two wooden objects from the Marathousa 1 site in Greece's Megalopolis Basin as the oldest handheld wooden tools ever recorded, with a confirmed age of approximately 430,000 years. The findings, published in the Proceedings of the National Academy of Sciences (PNAS), extend the documented timeline of wooden tool technology by at least 40,000 years.

The two artifacts were recovered from waterlogged sediments roughly 30 meters (100 feet) below the surface at a location that was once the shore of an ancient lake. One is a 2.5-foot-long digging implement fashioned from alder wood; microscopic use-wear analysis confirmed its function. The second, carved from willow or poplar, is a smaller object likely used to shape or strike stone tools. Both items were found in the same stratigraphic layer alongside thousands of animal bones and stone flakes, indicating the site was a butchering location for large game.

The exceptional preservation of the wood is attributed to persistently waterlogged, low-oxygen sediments, which dramatically slowed bacterial decay. This same phenomenon is responsible for the survival of famous ancient wooden artifacts such as the Bronze Age Kalambo Falls structural platform from Zambia, currently dated to around 476,000 years ago. However, that timber was used as a structural element, not a handheld implement. The Marathousa 1 tools represent the earliest confirmed case of wood being shaped and gripped as portable handheld equipment.

The species responsible is most likely a member of the Homo genus that was present in Europe during this period, such as Homo heidelbergensis, which predates Homo sapiens by several hundred thousand years. The findings challenge long-held assumptions that early hominin tool use was dominated by stone, suggesting that wood was a regular and sophisticated technological resource far earlier than the archaeological record had previously indicated.

stratigraphic

relating to the ordered layers of rock or soil that reveal the chronological sequence of deposits

implement

a tool or instrument used for a specific purpose

butchering

the process of cutting up an animal carcass for meat

hominin

a member of the biological group that includes humans and our direct ancestors

sediment

material such as sand, mud, or organic matter that settles at the bottom of water

bacterial

relating to bacteria; caused or produced by microscopic organisms

portable

light enough to be carried or moved from place to place

assumption

something accepted as true without proof or direct evidence

Level 4 - Advanced

A multidisciplinary team led by Professor Katerina Harvati of the Senckenberg Centre for Human Evolution and Palaeoenvironment at the University of Tubingen and Dr. Annemieke Milks of the University of Reading has published in PNAS the identification of two wooden objects from the Marathousa 1 site in the Megalopolis Basin, Peloponnese, as the oldest known handheld wooden implements, radiometrically confirmed at approximately 430,000 years before present. The find antedates the previous handheld-tool benchmark by at least 40,000 years and raises fundamental questions about the cognitive complexity and material culture of Middle Pleistocene hominins in Europe.

Recovered from waterlogged fluvio-lacustrine sediments approximately 30 metres below grade at the former margin of a Pleistocene lake, the two artifacts are stratigraphically co-located with thousands of faunal remains and lithic flakes consistent with large-mammal butchery, establishing the site as a persistent activity locus rather than an incidental deposit. The primary artifact is an 81-centimetre alder-wood digging implement whose working surface exhibits polish and micro-striae patterns diagnostic of habitual soil contact under transverse loading, as determined by confocal microscopy use-wear analysis. The secondary artifact, fashioned from willow or poplar, exhibits edge-rounding and faceting suggestive of use as a stone-knapping anvil or percussor.

The preservation mechanism is the persistently anoxic, waterlogged condition of the sediment column, which suppressed aerobic microbial colonisation and arrested lignocellulose degradation. This taphonomic regime parallels that of the Kalambo Falls 476-kyr structural timber (Zambia) and the Schoning cohort of 300-kyr thrusting spears from Schoningen, Germany, though Marathousa 1 presents the earliest evidence for compact handheld portability rather than projectile or construction function. The taxonomic attribution of the tool-maker remains provisional: the Megalopolis Basin horizon is consistent with Homo heidelbergensis sensu lato, the dominant mid-Pleistocene European hominin, though morphologically diagnostic skeletal material from the specific level has not been recovered.

The findings reconfigure the functional role of wood in the Lower-to-Middle Palaeolithic material assemblage. Prior models, constrained by the near-total absence of wooden artifacts from this period due to differential preservation bias, tended to relegate wood to secondary status behind lithics in reconstructing hominin technological competence. Marathousa 1 instantiates a counter-narrative in which early hominins were routinely selecting, shaping, and hafting organic materials with deliberate functional intent, implying a level of procedural cognition, planning depth, and cross-modal material knowledge that challenges minimalist interpretations of pre-sapiens intelligence.

antedates

predates; comes before something else in time

fluvio-lacustrine

relating to deposits formed by both river and lake environments