Related Concept Videos
01:03Communication
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
01:28Communication
Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
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01:25Rab 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.
02:31Habitat Fragmentation
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
02:26Ecological Disturbance
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
04:49Robbers 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...
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Related Experiment Video
Updated: May 31, 2026
08:28
Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals
Published on: November 6, 2016
Wilderness communications.
1REACH Air Medical Services, Santa Rosa, CA, USA. ghworley@mac.com
Wilderness & Environmental Medicine
|July 5, 2011
Summary
Remote communication is vital for emergencies. This review covers satellite phones, beacons, messengers, cell phones, and two-way radios for reliable emergency connectivity.
Area of Science:
- Emergency preparedness and response
- Telecommunications technology
- Remote sensing and communication
Background:
- Effective communication is critical for safety in remote locations during emergencies.
- Limited connectivity in remote areas poses significant challenges for rescue and support.
- A variety of communication technologies exist, each with unique applications and limitations.
Purpose of the Study:
- To review available communication technologies for individuals in remote locations.
- To discuss essential communication techniques for emergency situations.
- To guide the selection of appropriate communication devices for various remote applications.
Main Methods:
- Review of existing literature on remote communication technologies.
Main Results:
- Satellite-based devices (phones, messengers, beacons) offer broad coverage in areas lacking cellular service.
- Licensed and non-licensed two-way radios provide localized communication options.
- Understanding device capabilities and communication techniques is key to effective emergency response.
Conclusions:
- Selecting the right communication technology depends on the specific remote environment and emergency needs.
- Proper training in radio techniques and emergency communication protocols enhances survivability.
- A multi-faceted approach to remote communication ensures better preparedness and faster assistance.