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ArchiveLesson #221Science

Peta Exposes Monkey Experiments at University

Peta released footage showing distressing experiments on infant monkeys at the University of Washington, raising ethical concerns about animal research.

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Standard version (B1-B2)

Standard: natural English

Peta, an animal rights organization, has released shocking footage of on infant monkeys at the University of Washington. The video shows newborn monkeys being separated from their mothers and subjected to neurological tests after their mothers were exposed to a neurotoxin. Some of the monkeys were only two days old and appeared during the tests, which involved attaching electrodes to their heads and testing their reflexes and memory. The took place at the National Primate Center and focused on the effects of domoic acid, a toxin from marine algae. Peta argues that separating these young monkeys from their mothers is unethical, as maternal care is essential for their . Experts support this view, stating that such separation harms the monkeys. Peta is calling for the closure of all National Primate Centers in the United States.

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Narration includes the headline and summary.

Adapted from The Guardian, 26 October 2026, and rewritten at three levels by Newslish. Newslish is not affiliated with the source. Read the original.

Grammar in this story

“Peta argues that separating these young monkeys from their mothers is unethical, as maternal care is essential for their development.”

Reporting verb + that-clause. Read the guide

Key vocabulary

  • experiment noun

    A test done to learn something new.

    “The scientist conducted an experiment to study the effects of light on plants.”

  • distress noun

    A feeling of great worry or sadness.

    “The news caused her a lot of distress and she couldn't stop crying.”

  • ethical adjective

    Relating to what is right or wrong.

    “It is important to consider ethical issues in medical research.”

  • research noun

    The careful study of a subject to learn more about it.

    “The research showed new ways to treat the disease.”

  • development noun

    The process of growing or improving.

    “The development of new technology can change our lives.”

Quick quiz

01What is the main focus of the article?

02What does the word 'distress' mean in the text?

03How old were some of the infant monkeys used in the experiments?

04What did Peta want to stop in the United States?

Answered 0 of 4

Discussion

What do you think about the separation of infant monkeys from their mothers for experiments? In your answer, use the words 'ethical' and 'distress'.