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

Life Histories01:29

Life Histories

17.9K
Overview
17.9K
Functions of Life01:23

Functions of Life

16.7K
Human life is characterized by a variety of functions that are essential for survival and well-being. These functions include metabolism, movement, development, growth and reproduction.
Metabolism
The basic function of an organism is to consume energy and molecules in foods, convert some of it into fuel for movement, sustain body functions, and build and maintain body structures. There are two types of reactions that accomplish this: anabolism and catabolism.
Anabolism is the process whereby...
16.7K
Requirements for Human Life01:26

Requirements for Human Life

8.1K
The Earth and its atmosphere have provided humans with air, water, and food, but these are not the only requirements for survival. Humans also require a specific range of temperature and pressure that the Earth and its atmosphere provides.
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...
8.1K
Kubler Ross's Stages of Dying01:21

Kubler Ross's Stages of Dying

69
Elisabeth Kübler-Ross significantly advanced psychology's understanding of the process of dying with her influential book, On Death and Dying (1969). She focused on studying terminally ill individuals and outlined five stages commonly experienced when coping with death: denial, anger, bargaining, depression, and acceptance.
In denial, individuals reject the reality of their condition, often thinking, "This isn't true; I feel fine," as a way to protect themselves from...
69
Characteristics of Life01:23

Characteristics of Life

223.9K
Biology is a natural science that studies life and living organisms, including their structure, function, development, interactions, evolution, distribution, and taxonomy. The field's scope is extensive and divided into several specialized disciplines, such as anatomy, physiology, ethology, genetics, and many more. All living things share a few key traits, including cellular organization, heritable genetic material and the ability to adapt/evolve, metabolism to regulate energy needs, the...
223.9K
Hindsight Biases01:12

Hindsight Biases

3.4K
Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now? 
3.4K

You might also read

Related Articles

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

Sort by
Same author

Diverse organic molecules on Mars revealed by the first SAM TMAH experiment.

Nature communications·2026
Same author

Detection of nucleotides with gas chromatography - mass spectrometry (GC-MS) using trimethylsulfonium hydroxide (TMSH) and tetramethylammonium hydroxide (TMAH) thermochemolysis: Characterization, comparison and application to future experiments onboard space probes.

Talanta·2026
Same author

Does the Measured Abundance Suggest a Biological Origin for the Ancient Alkanes Preserved in a Martian Mudstone?

Astrobiology·2026
Same author

Coupling of opposite thermoresponsive mechanisms induced by host-guest complexation and LCST phase transition in formulations of modified hyaluronan and β-cyclodextrin copolymer.

Carbohydrate polymers·2026
Same author

New Analytical Methodology to Reveal Biosignatures on Mars and Ocean Worlds.

Analytical chemistry·2025
Same author

Chapter 1: The Astrobiology Primer 3.0.

Astrobiology·2024
Same journal

The Viking's 50 Year Landing Anniversary Astrobiology Special Collection: Reexamining the Revolutionary Impact of Viking on Mars Exploration.

Astrobiology·2026
Same journal

Viking's Astrobiological Legacy: A Philosophical Framework for Searching for Molecular Biosignatures.

Astrobiology·2026
Same journal

NASA Viking Mission: A Perspective of the Labeled Release Biological Experiment on Mars.

Astrobiology·2026
Same journal

Plasma and Thermal Processing Leading to Latitudinal and Temporal Variability of the Trapped O<sub>2</sub> at Europa and Ganymede.

Astrobiology·2026
Same journal

The Possible Aqueous Origins of Manganese Alteration Minerals in the Máaz Formation of Jezero Crater.

Astrobiology·2026
Same journal

Viking's Heirs: The Rise of Planetary Flyers.

Astrobiology·2026
See all related articles

Related Experiment Video

Updated: Jun 30, 2025

Author Spotlight: Automated Lifespan Monitoring &#8211; Discovering Aging Dynamics with the Lifespan Machine
08:53

Author Spotlight: Automated Lifespan Monitoring – Discovering Aging Dynamics with the Lifespan Machine

Published on: January 26, 2024

1.1K

Chapter 9: Life as We Don't Know It.

Natalie Grefenstette1,2, Luoth Chou3,4, Stephanie Colón-Santos5

  • 1Santa Fe Institute, Santa Fe, New Mexico, USA.

Astrobiology
|March 18, 2024
PubMed
Summary
This summary is machine-generated.

Scientists are broadening the search for extraterrestrial life beyond Earth-like biology. This involves developing agnostic biosignature detection methods to find exotic life forms with unknown chemistry, potentially on other planets or moons.

Keywords:
AstrobiologyBioenergeticsBiosignaturesExtraterrestrial lifeLife

More Related Videos

Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations
10:55

Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations

Published on: December 16, 2017

8.7K
Fluorescence Lifetime Imaging of Molecular Rotors in Living Cells
09:45

Fluorescence Lifetime Imaging of Molecular Rotors in Living Cells

Published on: February 9, 2012

25.3K

Related Experiment Videos

Last Updated: Jun 30, 2025

Author Spotlight: Automated Lifespan Monitoring &#8211; Discovering Aging Dynamics with the Lifespan Machine
08:53

Author Spotlight: Automated Lifespan Monitoring – Discovering Aging Dynamics with the Lifespan Machine

Published on: January 26, 2024

1.1K
Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations
10:55

Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations

Published on: December 16, 2017

8.7K
Fluorescence Lifetime Imaging of Molecular Rotors in Living Cells
09:45

Fluorescence Lifetime Imaging of Molecular Rotors in Living Cells

Published on: February 9, 2012

25.3K

Area of Science:

  • Astrobiology
  • Exobiology
  • Planetary Science

Background:

  • Earth is the only known planet to harbor life.
  • The search for extraterrestrial life often relies on Earth-specific biosignatures.
  • Astrobiology recognizes the need for more inclusive life-detection strategies.

Purpose of the Study:

  • To explore the potential for life fundamentally different from Earth's.
  • To move beyond terran-specific biosignatures in the search for extraterrestrial life.
  • To develop and apply agnostic biosignature detection methods.

Main Methods:

  • Envisioning life's potential diversity in composition, lifestyle, medium, and form.
  • Exploring universal principles governing living systems in diverse environments.
  • Developing new perspectives on agnostic biosignature detection.

Main Results:

  • Identified potential habitats for exotic life within the Solar System (e.g., Mars, Venus, Europa, Enceladus).
  • Considered the possibility of a shadow biosphere on Earth.
  • Highlighted the emergence of broader, more inclusive approaches to biosignature detection.

Conclusions:

  • The search for life should embrace a wider range of possibilities beyond Earth-based chemistry.
  • Agnostic biosignatures are crucial for detecting life with unknown biochemistry.
  • Future astrobiological research must adopt inclusive strategies to maximize discovery potential.