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The Guardian Science

Hunting the tardigrade: one small step in sequencing DNA of all life on Earth

Scientists at the Wellcome Sanger Institute are collecting tardigrade samples to contribute to a global effort to sequence the genomes of all life on Earth. This initiative, part of the Tree of Life programme, has significantly accelerated since the early 2000s, with thousands of genomes now sequenced each year. The work aims to enhance understanding of biodiversity, evolution, and potential medical applications. The tardigrade, known for its resilience, is being studied as part of this ambitious project.

What happened

Scientists are collecting tardigrades to help sequence the DNA of all life on Earth, starting with samples from moss and lichen.

Why it matters

This work helps build a complete genetic map of life, which can improve understanding of biology, evolution, and lead to new medical discoveries.

Why it belongs here

It shows how small, everyday creatures can play a big role in advancing science and fostering curiosity about the natural world.

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