Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Global Climate Change01:50

Global Climate Change

24.3K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.3K
The Fossil Record02:56

The Fossil Record

25.1K
The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
25.1K
What is Evolutionary History?02:35

What is Evolutionary History?

36.4K
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
36.4K
Conditions on Early Earth02:06

Conditions on Early Earth

91.5K
Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
91.5K
Radioactive Decay and Radiometric Dating02:48

Radioactive Decay and Radiometric Dating

33.8K
Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. The number of disintegrations per unit time is called the activity (A), which is directly proportional to the number of nuclei in the sample. The decay constant (λ) is an average probability of decay per nucleus in unit time.
33.8K
The Colonization of Land02:22

The Colonization of Land

34.3K
Changes in the environment of the early Earth drove the evolution of organisms. As prokaryotic organisms in the oceans began to photosynthesize, they produced oxygen. Eventually, oxygen saturated the oceans and entered the air, resulting in an increase in atmospheric oxygen concentration, known as the oxygen revolution approximately 2.3 billion years ago. Therefore, organisms that could use oxygen for cellular respiration had an advantage. More than 1.5 years ago, eukaryotic cells and...
34.3K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Improving micromorphological analysis with CNN-based segmentation of flint/obsidian, bone and charcoal.

PloS one·2026
Same author

Geoarchaeological insights into a Neolithic combustion feature from Abric del Xicotó (northeastern Iberia).

iScience·2025
Same author

Châtelperronian cultural diversity at its western limits: Shell beads and pigments from La Roche-à-Pierrot, Saint-Césaire.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Advancing archaeological sedimentary lipid biomarker analysis: A review of recent developments and methodological guidelines.

iScience·2025
Same author

Fecal biomarkers and micromorphological indicators of sheep penning and flooring at La Fortaleza pre-Hispanic site (Gran Canaria, Canary Islands).

iScience·2024
Same author

Microstratigraphic, lipid biomarker and stable isotope study of a middle Palaeolithic combustion feature from Axlor, Spain.

iScience·2024
Same journal

Daily briefing: 'Cyborg' cockroaches breathe underwater with printed suit.

Nature·2026
Same journal

China boosts prestigious grants for young scientists - will it ease competition?

Nature·2026
Same journal

Incoming US science academy chief vows to 'double down' on research.

Nature·2026
Same journal

Author Correction: Synthesis of enantioenriched atropisomers by biocatalytic deracemization.

Nature·2026
Same journal

Electrodeposited self-assembled molecules for perovskite photovoltaics.

Nature·2026
Same journal

Neutrino's nursery found: the 'Shadow Blaster'.

Nature·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Jun 24, 2025

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
07:57

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis

Published on: August 15, 2018

14.0K

El tiempo entre hogares paleolíticos

Ángela Herrejón-Lagunilla1,2, Juan José Villalaín3, Francisco Javier Pavón-Carrasco4,5

  • 1Departamento de Física, Escuela Politécnica Superior, Universidad de Burgos, Burgos, Spain. aherrejon@ubu.es.

Nature
|June 5, 2024
PubMed
Resumen
Este resumen es generado por máquina.

Los investigadores fecharon con precisión los hogares del Paleolítico Medio, revelando que los eventos de ocupación humana ocurrieron durante 200-240 años. Esta escala de tiempo de alta resolución ofrece nuevos conocimientos sobre el comportamiento humano temprano y la dinámica social.

Más Videos Relacionados

Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside
09:06

Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

Published on: July 3, 2016

8.0K
Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

943

Videos de Experimentos Relacionados

Last Updated: Jun 24, 2025

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
07:57

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis

Published on: August 15, 2018

14.0K
Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside
09:06

Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

Published on: July 3, 2016

8.0K
Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

943

Área de la Ciencia:

  • Arqueología
  • Geocronología
  • Paleoantropología

Sus antecedentes:

  • La reconstrucción de las escalas de tiempo del Paleolítico es un desafío debido a las limitaciones de datación, las perturbaciones sedimentarias y los efectos del palimpsesto.
  • Comprender la duración y la frecuencia de los campamentos de cazadores-recolectores es crucial para los estudios de interacción social y ambiental.

Objetivo del estudio:

  • Proporcionar una escala de tiempo de alta resolución para la actividad humana del Paleolítico Medio.
  • Estimar cuantitativamente el marco temporal de los eventos de ocupación humana.

Principales métodos:

  • Se utilizaron análisis arqueomagnéticos y arqueostratigráficos para determinar las diferencias de tiempo entre los hogares.
  • Métodos estadísticos aplicados para establecer un rango de probabilidad para el período de ocupación.

Principales resultados:

  • Se analizaron seis hogares del Paleolítico Medio de la Unidad X de El Salt (España).
  • Los hogares indican un período mínimo de ocupación de 200-240 años con un 99% de probabilidad.
  • Se identificaron intervalos de una década y un siglo entre las ocupaciones del hogar.

Conclusiones:

  • Logró una estimación temporal cuantitativa para los eventos de ocupación humana del Paleolítico, acercándose a una escala de vida humana.
  • Esta datación de alta resolución avanza en la arqueología paleolítica, permitiendo el estudio del comportamiento humano a través de escalas de tiempo generacionales.
  • Los hallazgos cierran la brecha entre las escalas de tiempo geológicas y los cambios generacionales relevantes para las sociedades humanas.