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

Radicals01:27

Radicals

856
Roots, often written as radicals, identify the quantity that must be raised to a specific exponent to produce a given value. A radical expression consists of two main components: the radicand, which is the value placed inside the root symbol, and the index, which indicates the degree of the root being taken. The notation n√a indicates the principal nth root of a. If n equals 2, the operation is the square root, while n = 3 defines the cube root. When n is even, a negative radicand does...
856
The Scientific Method03:50

The Scientific Method

71.5K
Chemistry is an empirical science. Scientists often pose questions to understand the chemistry in everyday life and seek answers to these questions. To achieve this, scientists follow a definitive series of steps that together make up the Scientific Method. This approach involves making observations, asking questions, building a hypothesis, conducting experiments, analyzing results, and forming a conclusion. 
71.5K
The Scientific Method01:32

The Scientific Method

274.9K
The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.
Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
274.9K
The Scientific Method02:40

The Scientific Method

67.0K
Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.
67.0K
Radical Formation: Overview01:03

Radical Formation: Overview

2.7K
A bond can be broken either by heterolytic bond cleavage to form ions or homolytic bond cleavage to yield radicals. A fishhook arrow is used to represent the motion of a single electron in homolytic bond cleavage. There are two main sources from which radicals can be formed:
Radicals from spin-paired molecules:
Radicals can be obtained from spin-paired molecules either by homolysis or electron transfer. While two radicals are formed in the former, an electron is added in the...
2.7K
Radical Reactivity: Overview01:11

Radical Reactivity: Overview

3.0K
Radicals, the highly reactive species, gain stability by undergoing three different reactions. The first reaction involves a radical-radical coupling, in which a radical combines with another radical, forming a spin‐paired molecule. The second reaction is between a radical and a spin‐paired molecule, generating a new radical and a new spin‐paired molecule. The third reaction is radical decomposition in a unimolecular reaction, forming a new radical and a spin‐paired...
3.0K

You might also read

Related Articles

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

Sort by
Same author

First Draft Genome Sequence of the Pathogenic Fungus <i>Lomentospora prolificans</i> (Formerly <i>Scedosporium prolificans</i>).

G3 (Bethesda, Md.)·2017
Same author

Support Science by Publishing in Scientific Society Journals.

mBio·2017
Same author

Lipids Affect the Cryptococcus neoformans-Macrophage Interaction and Promote Nonlytic Exocytosis.

Infection and immunity·2017
Same author

Forensic bitemark identification: weak foundations, exaggerated claims.

Journal of law and the biosciences·2017
Same author

Correction: Macrophage Mitochondrial and Stress Response to Ingestion of Cryptococcus neoformans.

Journal of immunology (Baltimore, Md. : 1950)·2017
Same author

Microbial melanins for radioprotection and bioremediation.

Microbial biotechnology·2017
Same journal

<i>Candida</i> spp. suppress neutrophil reactive nitrogen species to evade killing.

mBio·2026
Same journal

Transformation and allelic exchange in <i>Orientia tsutsugamushi</i>.

mBio·2026
Same journal

Limited codiversification of the gut microbiota within humans.

mBio·2026
Same journal

CRISPRi targeting to the <i>Neisseria gonorrhoeae</i> R-loop or G4 mutant region restores pilin antigenic variation.

mBio·2026
Same journal

Dirty mice better recapitulate key features of mRNA vaccine immunogenicity observed in humans.

mBio·2026
Same journal

YdbL directly modulates YdbH-YnbE bridge formation to maintain <i>Escherichia coli</i> outer membrane homeostasis.

mBio·2026
See all related articles

Related Experiment Video

Updated: Mar 24, 2026

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development
14:22

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Published on: April 15, 2013

20.8K

Revolutionary Science.

Arturo Casadevall1, Ferric C Fang2

  • 1Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA acasade1@jhu.edu.

Mbio
|March 3, 2016
PubMed
Summary
This summary is machine-generated.

Scientific revolutions, like DNA discovery, reshape our world. These paradigm shifts arise from diverse origins and highlight the need to support basic science for future breakthroughs.

More Related Videos

Exploring the Radical Nature of a Carbon Surface by Electron Paramagnetic Resonance and a Calibrated Gas Flow
10:34

Exploring the Radical Nature of a Carbon Surface by Electron Paramagnetic Resonance and a Calibrated Gas Flow

Published on: April 24, 2014

11.3K
Visual and Microscopic Evaluation of Streptomyces Developmental Mutants
08:42

Visual and Microscopic Evaluation of Streptomyces Developmental Mutants

Published on: September 12, 2018

19.2K

Related Experiment Videos

Last Updated: Mar 24, 2026

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development
14:22

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Published on: April 15, 2013

20.8K
Exploring the Radical Nature of a Carbon Surface by Electron Paramagnetic Resonance and a Calibrated Gas Flow
10:34

Exploring the Radical Nature of a Carbon Surface by Electron Paramagnetic Resonance and a Calibrated Gas Flow

Published on: April 24, 2014

11.3K
Visual and Microscopic Evaluation of Streptomyces Developmental Mutants
08:42

Visual and Microscopic Evaluation of Streptomyces Developmental Mutants

Published on: September 12, 2018

19.2K

Area of Science:

  • Explores the nature of scientific revolutions and transformative discoveries across various scientific disciplines.

Background:

  • Examines historical examples of major scientific discoveries, including heliocentrism, germ theory, and DNA's genetic role.
  • Considers Thomas Kuhn's concept of scientific paradigms and revolutionary changes driven by anomalous observations.

Discussion:

  • Analyzes the diverse origins of scientific revolutions, such as puzzle-solving, serendipity, and converging evidence.
  • Discusses the blurred lines between normal and revolutionary science, noting that revolutions often build upon existing research.

Key Insights:

  • Each scientific revolution is unique, with varied causes and lacking a single unifying structure.
  • Revolutionary discoveries can be conceptual or technological, creating new fields and impacting multiple disciplines.

Outlook:

  • Scientific revolutions do not necessarily negate previous scientific understanding.
  • Emphasizes the importance of supporting a wide range of scientific inquiry, particularly basic science, to foster future transformative discoveries.