Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Ecological Succession02:17

Ecological Succession

Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
Robbers Cave04:49

Robbers Cave

During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension could be...
Rab Cascades01:25

Rab Cascades

Rab GTPases act in a regulated cascade during membrane fusion, helping the lipid bilayers mix. The Rab family of proteins are active when bound to GTP, and inactive when bound to GDP. Hence, they act as guanine nucleotide-dependent molecular switches. Rab-GTP recognizes and binds to long or short-range tethering proteins to capture the target vesicle. These tethers coordinate with SNAREs on the vesicle and the target membrane to assemble the trans SNARE complex that locks the mixing bilayers.
Region of Convergence01:17

Region of Convergence

The z-transform is a powerful mathematical tool used in the analysis of discrete-time signals and systems. It is a crucial tool in the analysis of discrete-time systems, but its convergence is limited to specific values of the complex variable z. This range of values, known as the Region of Convergence (ROC), is fundamental in determining the behavior and stability of a system or signal. The ROC defines the region in the complex plane where the z-transform converges, which can take various...
Emerging Adulthood01:27

Emerging Adulthood

Jeffrey Arnett's concept of emerging adulthood offers a framework to understand the unique developmental stage between adolescence and full-fledged adulthood, generally from ages 18 to 25. This period is marked by extensive exploration and shifts in identity, relationships, and career choices, a process known in psychology as role experimentation. Emerging adulthood reflects the evolving cultural expectations surrounding adulthood and the dynamic process of personal transformation during this...
Microenvironments01:22

Microenvironments

Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...

You might also read

Related Articles

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

Sort by
Same author

The real maya mystery.

Science (New York, N.Y.)·1992
Same author

Prophecies and politics of the maya: heaven born merida and its destiny.

Science (New York, N.Y.)·1987
Same author

Cultural evolution in mesoamerica.

Science (New York, N.Y.)·1982
Same author

A maya site.

Science (New York, N.Y.)·1980

Related Experiment Video

Updated: Jul 12, 2026

Place and Response Learning in the Open-field Tower Maze
08:31

Place and Response Learning in the Open-field Tower Maze

Published on: October 28, 2015

A village reemergent

D A Freidel

    Science (New York, N.Y.)
    |May 28, 1993
    PubMed
    Summary

    No abstract available in PubMed .

    More Related Videos

    A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs
    04:41

    A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

    Published on: January 26, 2018

    Resurrection of Dormant Daphnia magna: Protocol and Applications
    07:37

    Resurrection of Dormant Daphnia magna: Protocol and Applications

    Published on: January 19, 2018

    Related Experiment Videos

    Last Updated: Jul 12, 2026

    Place and Response Learning in the Open-field Tower Maze
    08:31

    Place and Response Learning in the Open-field Tower Maze

    Published on: October 28, 2015

    A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs
    04:41

    A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

    Published on: January 26, 2018

    Resurrection of Dormant Daphnia magna: Protocol and Applications
    07:37

    Resurrection of Dormant Daphnia magna: Protocol and Applications

    Published on: January 19, 2018