- Scientists have found RNA in woolly mammoth remains.
- The tissue came from Siberian permafrost and stayed frozen.
- The sample belonged to Yuka, a young mammoth.
- The RNA is nearly 40,000 years old.
- Researchers sequenced the RNA molecules from the muscles.
- RNA shows genes active near death.
- Emilio Mármol led the research in Copenhagen.
- Scientists hope to use RNA with DNA and proteins.
- The University of Copenhagen reported the study.
- The discovery may teach us about extinct animals.
Difficult words
- mammoth — A very large ancient elephant-like animal
- permafrost — Soil or ground that stays frozen all year
- tissue — Material in a living animal or plant
- sequenced — To find the order of parts in something
- genes — A part of a cell that gives information
- extinct — No longer living on Earth
- muscles — A body tissue that helps move parts
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you seen an animal skeleton in a museum?
- Do you want to learn about extinct animals?
- Do you know the name of any extinct animal?
Related articles
New training method helps models do long multiplication
Researchers studied why modern language models fail at long multiplication and compared standard fine-tuning with an Implicit Chain of Thought (ICoT) method. ICoT models learned to store intermediate results and reached perfect accuracy.
New AI tools for tuberculosis shown at lung health conference
Researchers presented four new AI approaches for detecting and monitoring TB at the Union World Conference on Lung Health in Copenhagen (18–21 November). The tools include breath analysis, cough screening, vulnerability mapping and a chest X‑ray tool for children.
Instagram bot campaigns target activists and media in Western Balkans
In November 2025 coordinated bot operations hit activist and media Instagram accounts in the Western Balkans. Reports on November 16 and 23, 2025 describe fake followers, mass reports, bot comments and mass liking that reduced visibility.