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

Classifying Matter by State02:49

Classifying Matter by State

104.1K
Chemistry is the study of matter and the changes it undergoes. Matter is anything that has mass and occupies space. Matter is all around us; the air, water, soil, mountains, even our bodies are all examples of matter. Matter is divided into three states — solid, liquid, and gas — that are commonly found on earth. The fourth state of matter, plasma, occurs naturally in the interiors of stars. 
104.1K
Classifying Matter by Composition03:35

Classifying Matter by Composition

91.0K
Matter: Pure Substances and Mixtures
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures. 
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated. 
A mixture is composed of two or...
91.0K
Vibrating Concrete01:19

Vibrating Concrete

407
Mechanical vibrators are instrumental in compacting newly poured concrete within formwork and around reinforcements. This process is essential to eliminate trapped air pockets and establish a dense concrete mass. One widely used method is vibrating by internal vibrators, often referred to as a poker vibrator or immersion vibrator. It is rapidly inserted through the full depth of the freshly laid concrete and slightly extends into the layer below it (which remains in a plastic state). Consistent...
407
How Data are Classified: Numerical Data00:59

How Data are Classified: Numerical Data

38.4K
Data that are countable or measurable in specific units are called numerical or quantitative data. Quantitative data are always numbers. Quantitative data are the result of counting or measuring the attributes of a population. Amount of money, pulse rate, weight, number of people living in a town, and number of students who opt for statistics are examples of quantitative data.
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
38.4K
How Data are Classified: Categorical Data01:11

How Data are Classified: Categorical Data

45.1K
A variable, usually notated by capital letters such as X and Y, is a characteristic or measurement that can be determined for each member of a population. Data are the actual values of variables. They may be numbers, or they may be words. Datum is a single value.
Data are classified based on whether they are measurable or not. Categorical data cannot be measured; instead, it can be divided into categories. For example, if Y denotes a person's party affiliation, some examples of Y include...
45.1K
IR Spectroscopy: Molecular Vibration Overview01:24

IR Spectroscopy: Molecular Vibration Overview

4.8K
When Infrared (IR) radiation passes through a covalently bonded molecule, the bonds transition from lower to higher vibrational levels. The fundamental vibrational motions that result in infrared absorption can be classified as stretching or bending vibrations.
Stretching vibrations are vibrational motions that occur along the bond line, changing the bond length or distance between two bonded atoms. They are further distinguished as symmetric or asymmetric. In symmetric stretching, the...
4.8K

You might also read

Related Articles

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

Sort by
Same author

Spider leg biomechanics as an information filter for vibration sensing.

Proceedings. Biological sciences·2026
Same author

Agroseismology and the impact of farming practices on soil hydrodynamics.

Science (New York, N.Y.)·2026
Same author

Fly motion vision maximizes signal energy transfer between mechanical input and sensor output.

Science robotics·2026
Same author

Constraints on percussive seismic signals in a noisy environment by European fiddler crabs, Afruca tangeri.

The Journal of experimental biology·2025
Same author

Unique composition and evolutionary histories of large low velocity provinces.

Scientific reports·2025
Same author

Local rainfall is more likely than distant thunderstorms to affect movement behaviour in Northern Kenyan elephants.

PloS one·2024
Same journal

Hunting ecology predicts eye arrangements in the modular visual system of spiders.

Current biology : CB·2026
Same journal

Sub-second fluctuations between top-down and bottom-up modes distinguish diverse human brain states.

Current biology : CB·2026
Same journal

Queen bees offload pesticide burden to eggs when social buffering is overwhelmed.

Current biology : CB·2026
Same journal

Pitch selectivity in ferret auditory cortex.

Current biology : CB·2026
Same journal

A cell size-dependent competition between geometry and polarity governs nuclear and spindle positioning in early embryos.

Current biology : CB·2026
Same journal

Trophic cascades drive sustainability in the agricultural heritage rice-fish coculture system.

Current biology : CB·2026
See all related articles

Related Experiment Video

Updated: Feb 10, 2026

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

9.9K

Classifying elephant behaviour through seismic vibrations.

Beth Mortimer1, William Lake Rees2, Paula Koelemeijer2

  • 1School of Biological Sciences, University of Bristol, Bristol, BS8 1TQ, UK; Department of Zoology, University of Oxford, Oxford OX1 3PS, UK.

Current Biology : CB
|May 9, 2018
PubMed
Summary
This summary is machine-generated.

African elephant seismic vibrations travel furthest on sandy terrain with low background noise. This seismic monitoring can identify elephant behaviors and aid in anti-poaching efforts.

More Related Videos

Whole Body Vibration Methods with Survivors of Polio
04:16

Whole Body Vibration Methods with Survivors of Polio

Published on: October 17, 2018

9.2K
Measurement of Bioelectric Current with a Vibrating Probe
07:28

Measurement of Bioelectric Current with a Vibrating Probe

Published on: January 4, 2011

14.5K

Related Experiment Videos

Last Updated: Feb 10, 2026

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

9.9K
Whole Body Vibration Methods with Survivors of Polio
04:16

Whole Body Vibration Methods with Survivors of Polio

Published on: October 17, 2018

9.2K
Measurement of Bioelectric Current with a Vibrating Probe
07:28

Measurement of Bioelectric Current with a Vibrating Probe

Published on: January 4, 2011

14.5K

Area of Science:

  • Seismology
  • Bioacoustics
  • Wildlife monitoring

Background:

  • Seismic waves offer valuable information but can be obscured by physical factors affecting propagation.
  • Understanding how terrain and seismic noise impact vibration transmission is crucial for interpreting seismic data.

Discussion:

  • This study investigates how terrain type and background seismic noise influence the propagation of seismic vibrations from African elephants.
  • Researchers recorded elephant behaviors (locomotion, vocalizations) and seismic noise in Kenya, analyzing geophone data to derive source functions.
  • Computer modeling was used to determine the propagation ranges of elephant seismic vibrations across various terrains and noise levels.

Key Insights:

  • Elephant behaviors generating high forces on sandy terrain with low seismic noise propagate over a kilometer.
  • Specific elephant behaviors can be distinguished and monitored remotely based on their seismic signatures, even across different distances and noise levels.

Outlook:

  • Seismic cues hold significant potential for remote wildlife behavioral classification and real-time monitoring.
  • Classifying seismic signatures of behaviors like elephant running could provide critical data for anti-poaching initiatives and wildlife conservation.