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

Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

15.2K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
15.2K
Quantifying Heat02:46

Quantifying Heat

63.0K
Thermal Energy Microscopically, thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Temperature is a quantitative measure of “hot” or “cold”, which depends on the amount of thermal energy. When the atoms and molecules in an object are moving or vibrating quickly, they have a higher average kinetic energy (KE) (or higher thermal energy), and the object is perceived as “hot”, or it is described as being at a higher temperature. When the...
63.0K
Heat Flow and Specific Heat01:12

Heat Flow and Specific Heat

7.0K
Heat is a type of energy transfer that is caused by a temperature difference, and it can change the temperature of an object. Since heat is a form of energy, its SI unit is the joule (J). Another common unit of energy often used for heat is the calorie (cal), which is defined as the energy needed to change the temperature of 1 g of water by 1 °C, specifically between 14.5 °C and 15.5 °C, since the energy needed shows a slight temperature dependence. Another commonly used unit is...
7.0K
What is Weather?01:07

What is Weather?

20.4K
Overview
20.4K
Increased Body Temperature01:25

Increased Body Temperature

7.6K
A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
7.6K
Specific Heat01:16

Specific Heat

68.0K
The specific heat capacity of a substance refers to the energy required to increase the temperature of one gram of that substance by one degree Celcius. Specific heat capacity is often represented in calories (cal), grams (g), and degrees Celsius (oC), but can also be expressed in joules (J), kilograms (kg), and Kelvin (K), among other units.
For example, increasing the temperature of one gram of water by 1°C requires one calorie of heat energy and can be written as 1 cal/g-°C, or...
68.0K

You might also read

Related Articles

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

Sort by
Same author

Correction: Building the future of public health in Canada: A modified Delphi survey for updated core competencies.

Canadian journal of public health = Revue canadienne de sante publique·2026
Same author

Building the future of public health in Canada: A modified Delphi survey for updated core competencies.

Canadian journal of public health = Revue canadienne de sante publique·2026
Same author

"It's like dynamite-It can do a lot of good. It could do a lot of harm": A qualitative study on the uses, benefits, and risks of genAI in public health.

Digital health·2026
Same author

Social media messaging by Canadian health organizations to address indoor tanning during policy and scientific shifts.

Health promotion international·2025
Same author

A Pilot Study on Generative Artificial Intelligence's Reliability in Qualitative Research Quality Appraisal Using CASP and JBI Checklists.

Inquiry : a journal of medical care organization, provision and financing·2025
Same author

The double-edged algorithm: A rapid review exploring the trustworthy and responsible use of generative AI in public health.

Digital health·2025

Related Experiment Video

Updated: Feb 27, 2026

High-Throughput Assays of Critical Thermal Limits in Insects
06:58

High-Throughput Assays of Critical Thermal Limits in Insects

Published on: June 15, 2020

5.9K

Exploring Reddit Discourse and Information Needs Surrounding Extreme Heat: Topic, Sentiment, and Engagement Analysis.

Melissa MacKay1, Soroush Zamani Alavijeh2, Sydney Gosselin1

  • 1Department of Population Medicine, University of Guelph, 50 Stone Rd E, Guelph, ON, N1G2W1, Canada, 1 5198244120.

Journal of Medical Internet Research
|February 25, 2026
PubMed
Summary
This summary is machine-generated.

Canadian social media discussions on extreme heat reveal concerns about costs and health impacts. Understanding these public perceptions is key to developing effective climate change adaptation strategies and public health messaging.

Keywords:
Redditclimate changeextreme heathealth communicationinformation ecosystemsocial media

More Related Videos

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

3.4K
Heat Tolerance Assays Using the Drosophila Activity Monitor System: A Guide to an Executable Application for Data Analysis
05:05

Heat Tolerance Assays Using the Drosophila Activity Monitor System: A Guide to an Executable Application for Data Analysis

Published on: December 13, 2024

1.1K

Related Experiment Videos

Last Updated: Feb 27, 2026

High-Throughput Assays of Critical Thermal Limits in Insects
06:58

High-Throughput Assays of Critical Thermal Limits in Insects

Published on: June 15, 2020

5.9K
Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

3.4K
Heat Tolerance Assays Using the Drosophila Activity Monitor System: A Guide to an Executable Application for Data Analysis
05:05

Heat Tolerance Assays Using the Drosophila Activity Monitor System: A Guide to an Executable Application for Data Analysis

Published on: December 13, 2024

1.1K

Area of Science:

  • Environmental Health
  • Public Health
  • Computational Social Science

Background:

  • Canada faces increasing extreme heat events due to climate change, posing health risks, especially to vulnerable populations.
  • Effective communication and evidence-based interventions are crucial for public health protection against extreme heat.
  • Machine learning can analyze social media to understand public attitudes and behaviors regarding extreme heat, addressing a research gap in the Canadian context.

Purpose of the Study:

  • To analyze Canadian social media discourse and emotions concerning extreme heat.
  • To identify key topics, concerns, and questions about extreme heat among Canadian Reddit users.
  • To investigate the relationship between discussion topics, sentiment, emotions, and user engagement on Reddit.

Main Methods:

  • Collected Reddit data from 30 Canada-specific subreddits over one year using keywords related to heat and climate.
  • Utilized topic modeling, sentiment analysis, and emotion analysis on consolidated post and comment data.
  • Assessed user engagement using net upvote scores to evaluate community approval.

Main Results:

  • Discussions frequently centered on 'heat,' with key themes including heating/cooling costs, weather records, air conditioning, and health impacts.
  • Sentiment and emotion analyses revealed varied positivity and negativity across different subreddits.
  • Analysis of 607 posts from 15,366 users provided insights into Canadian perspectives on extreme heat.

Conclusions:

  • Canadian Reddit discourse on extreme heat highlights concerns over costs, weather patterns, and adaptation strategies.
  • Significant regional differences in public perception were observed, valuable for tailoring health and risk messaging.
  • Findings inform future research and communication strategies to mitigate extreme heat's adverse health effects in Canada.