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

Scientific Laws and Theories02:31

Scientific Laws and Theories

91.3K
Scientific Laws
91.3K
The Scientific Method02:40

The Scientific Method

66.9K
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.
66.9K
The Scientific Method01:32

The Scientific Method

274.4K
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...
274.4K
The Scientific Method03:50

The Scientific Method

71.1K
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. 
71.1K
Models, Theories, and Laws01:16

Models, Theories, and Laws

9.6K
Scientists frequently use models to help them comprehend a specific collection of phenomena. In physics, a model is a condensed version of a physical system that is too complex to study thoroughly. One such example is the light wave model; unlike water waves, light waves are typically invisible to us. Nonetheless, it is helpful to think of light as being composed of waves, since investigations show that light behaves like water waves. Since it is impossible to visually see what is genuinely...
9.6K
Theoretical Foundations of Nursing Practice01:30

Theoretical Foundations of Nursing Practice

18.2K
Theories play an essential role in organizing patient care. Theories refer to a proposed or followed belief, policy, or procedure that is the basis for action. Nursing theories are knowledge-based concepts that guide nurses' actions, influence nursing education and practice, and allow nurses to care for their patients.
Theories provide a perspective to assess patients' conditions and organize data and methods. They also assist in analyzing and interpreting information. They represent a...
18.2K

You might also read

Related Articles

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

Sort by
Same author

Real-time electric-field neuronavigation on realistic head models for conventional and multi-locus TMS.

Brain stimulation·2026
Same author

Real-world evaluation of health-related quality of life in hematology patients treated with rituximab: results of a multicentric cross-sectional cohort study.

Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation·2026
Same author

Scientists' warning: we must change paradigm for a revolution in toxicology and world food supply.

Environmental sciences Europe·2026
Same author

Feasibility Study of Supplementary Motor Area to Primary Motor Cortex Facilitation using Multi-locus Transcranial Magnetic Stimulation<sup></sup>.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

A Decade of Specialized Acute Care: Clinical Impact of an Oncology-Hematology Emergency Room Compared to General Emergency Services.

Cancer medicine·2025
Same author

From Fundamental Biology to Toxicology by Way of an Accident.

Annual review of pharmacology and toxicology·2025
Same journal

Nuclear Envelope Rupture Initiation in Confined Migration: A Geometric-Kinetic Framework.

Progress in biophysics and molecular biology·2026
Same journal

Time-Resolved Spectroscopy in Protein Dynamics and Enzyme Mechanisms.

Progress in biophysics and molecular biology·2026
Same journal

Mathematical frameworks for left ventricular assist device therapy: Ventricular mechanics, blood rheology, haemodynamics, control, and nonlinear dynamics.

Progress in biophysics and molecular biology·2026
Same journal

Biological functions of BAF57, its role in disease pathogenesis, and treatment: From molecular mechanisms to clinical translation.

Progress in biophysics and molecular biology·2026
Same journal

Photonics-integrated and AI-enhanced medical sensing: From molecular diagnostics to real-time cell therapy monitoring.

Progress in biophysics and molecular biology·2026
Same journal

Uncovering the Biological Mechanisms of TREM2 with Molecular Simulations: A Comprehensive Review and Perspective.

Progress in biophysics and molecular biology·2026
See all related articles

Related Experiment Video

Updated: Mar 18, 2026

Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

9.0K

Why do we need theories?

Giuseppe Longo1, Ana M Soto1

  • 1Centre Cavaillès, République des Savoirs, CNRS USR3608, Collège de France et Ecole Normale Supérieure, Paris, France; Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, Boston, MA, USA.

Progress in Biophysics and Molecular Biology
|July 9, 2016
PubMed
Summary
This summary is machine-generated.

Physics theories use symmetry conservation for generic objects, while biology, a historical science, studies specific individuals undergoing change. We propose a new "default state" for biological dynamics, emphasizing constraints in causality.

Keywords:
Biological organizationDefault stateMathematical symmetriesPhase space

More Related Videos

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.4K
Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
05:47

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems

Published on: June 13, 2025

1.8K

Related Experiment Videos

Last Updated: Mar 18, 2026

Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

9.0K
Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.4K
Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
05:47

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems

Published on: June 13, 2025

1.8K

Area of Science:

  • Theoretical Physics
  • Evolutionary Biology
  • Philosophy of Science

Background:

  • Theories organize knowledge and objectivity through framing observations and experiments.
  • Physics and mathematics share principles in concept construction and inquiry objects.
  • Physics theories rely on mathematical symmetries and invariants for generic, interchangeable objects.

Purpose of the Study:

  • To examine theoretical principle elaboration through physics-mathematics interactions.
  • To contrast theoretical frameworks in physics and biology.
  • To propose a new framework for biological dynamics and causality.

Main Methods:

  • Comparative analysis of theoretical principles in physics and biology.
  • Examination of symmetry principles in physical theories.
  • Adaptation of Galileo's inertia principle to biological dynamics.

Main Results:

  • Physics theories conserve symmetry for generic objects with determined trajectories.
  • Biology is a historical science focusing on specific, individual organisms undergoing change (symmetry breaking).
  • Proposed biological "default state" as "proliferation with variation and motility," contrasting with physical inertia.

Conclusions:

  • Biological objects are specific individuals, not generic, and undergo symmetry-breaking changes.
  • Biological causality is understood through the role of constraints, reframing the notion of cause.
  • Life's radical materiality precludes distinctions like "software vs. hardware."