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Related Concept Videos

Lethal Alleles02:41

Lethal Alleles

Agouti: A Lethal Allele
Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Bystander Effect02:09

Bystander Effect

The discussion of bullying highlights the problem of witnesses not intervening to help a victim. This is a common occurrence, as the following well-publicized event demonstrates. In 1964, in Queens, New York, a 19-year-old woman named Kitty Genovese was attacked by a person with a knife near the back entrance to her apartment building and again in the hallway inside her apartment building. When the attack occurred, she screamed for help numerous times and eventually died from her stab wounds.
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
Aggression01:47

Aggression

Humans engage in aggression when they seek to cause harm or pain to another person. Aggression takes two forms depending on one’s motives: hostile or instrumental. Hostile aggression is motivated by feelings of anger with intent to cause pain; a fight in a bar with a stranger is an example of hostile aggression. In contrast, instrumental aggression is motivated by achieving a goal and does not necessarily involve intent to cause pain (Berkowitz, 1993); a contract killer who murders for hire...
Hypoxia01:23

Hypoxia

Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...

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Related Experiment Video

Updated: May 12, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

[Ignored homicides].

J-P Beauthier1, F Beauthier, P Lefèvre

  • 1Centre de Médecine légale de Charleroi, ULB, Bruxelles. jean-pol.beauthier@ulb.ac.be

Revue Medicale De Bruxelles
|March 29, 2013
PubMed
Summary

Forensic medicine is crucial for law and public health. Understanding unsolved homicides requires respecting crime scenes and specialized training for better forensic outcomes.

Area of Science:

  • Forensic Medicine
  • Public Health
  • Legal Science

Background:

  • Forensic medicine is essential for legal system advancement and citizen protection.
  • This scientific discipline is fundamentally linked to public health initiatives.
  • Investigating homicides that elude investigators is vital for legal and public safety.

Purpose of the Study:

  • To analyze unsolved homicides and identify reasons for investigative failure.
  • To emphasize the importance of forensic medicine in contemporary society.
  • To highlight the foundational role of forensic science in legal and public health contexts.

Main Methods:

  • Review of unsolved homicide cases.
  • Analysis of factors contributing to investigative challenges.

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The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

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Integrated Compensatory Responses in a Human Model of Hemorrhage
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Integrated Compensatory Responses in a Human Model of Hemorrhage

Published on: November 20, 2016

Related Experiment Videos

Last Updated: May 12, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
09:12

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

Integrated Compensatory Responses in a Human Model of Hemorrhage
07:57

Integrated Compensatory Responses in a Human Model of Hemorrhage

Published on: November 20, 2016

  • Literature review on forensic science principles and practices.

    • Main Results:

    • Identification of key challenges in solving complex homicide cases.
    • Emphasis on the need for enhanced crime scene protocols.
    • Recognition of the critical role of specialized forensic training.

    Conclusions:

    • High-quality forensic investigations depend on meticulous crime scene management.
    • Specialized training and societal recognition are paramount for advancing forensic medicine.
    • Addressing unsolved homicides requires a multidisciplinary approach integrating legal and public health perspectives.