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Related Concept Videos

Sustainable Development01:43

Sustainable Development

As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
Conditions on Early Earth02:06

Conditions on Early Earth

Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
Conditions on Early Earth02:06

Conditions on Early Earth

Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
Types of Reports II: Incident or Occurrence Report01:21

Types of Reports II: Incident or Occurrence Report

An Incident or Occurrence Report in a healthcare setting is a crucial document used to record any unexpected occurrence that may or may not have affected a patient, employee, or visitor. Such reports are critical to improving patient safety and include all details leading up to and including the event.
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Types of Reports I: Hand-off Report01:25

Types of Reports I: Hand-off Report

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Surface Tension and Surface Energy01:16

Surface Tension and Surface Energy

When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
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Updated: Jul 2, 2026

Assessing Intertidal Populations of the Invasive European Green Crab
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Assessing Intertidal Populations of the Invasive European Green Crab

Published on: September 16, 2020

The 1958 UNSCEAR report.

Bo Lindell, David Sowby

    Journal of Radiological Protection : Official Journal of the Society for Radiological Protection
    |August 21, 2008
    PubMed
    Summary
    This summary is machine-generated.

    Growing concerns about radioactive fallout from nuclear testing led to the establishment of the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR). UNSCEAR

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    Area of Science:

    • Environmental Science
    • Public Health
    • Nuclear Physics

    Background:

    • Increased global concern in the 1950s regarding radioactive fallout from nuclear weapon testing.
    • Scientists in non-nuclear nations alerted governments to potential fallout hazards.
    • United Nations addressed rising concerns about radiation effects.

    Purpose of the Study:

    • To establish a scientific committee to advise the UN on radiation levels and effects.
    • To investigate the impact of nuclear bomb testing on global health and environment.
    • To provide a comprehensive assessment of radiation exposure.

    Main Methods:

    • Formation of the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) in 1955.
    • Convening of the first UNSCEAR working meeting in September 1956.
    • Pioneering report generation based on scientific data and analysis.

    Main Results:

    • Publication of a groundbreaking report within two years of establishment.
    • Disclosure of previously classified information on radioactive fallout exposure.
    • Unveiling of novel data concerning natural background and medical radiation exposure.

    Conclusions:

    • The establishment of UNSCEAR was a significant step in addressing international concerns about atomic radiation.
    • UNSCEAR's initial report provided critical, previously unavailable data on radiation.
    • The committee's work highlighted the importance of scientific assessment in international policy.