UU researcher profile: Harald Hammarström documents languages on the verge of extinction


A professor of linguistics with a Master’s in computer science and a PhD in computational linguistics, Harald goes an extra mile to document the languages that head towards extinction.

Photo: Meli Petersson Ellafi, Bildbyrån.

“Throughout time, smaller languages have always been swallowed up by larger ones. But now, with globalisation, this is happening at an incredibly accelerated pace.”

Language has always been key to understanding human history, culture and how we have moved from place to place. Today, there are around 7,000 languages, roughly half of which have not yet been scientifically documented.

The more languages that are documented, the closer we can get to answering the big questions about human communication, history and culture.


  • Gut microbes that trace ancient human journeys

    Gut microbes that trace ancient human journeys

    The newest piece in Nature’s News & Views, co-authored by our PI, Carina Schlebusch and Maja Vukovikj from Human Evolution Program at Uppsala University discusses the study by Carter et al. exploring what our gut microbiomes can tell us about human population history. Humans have never travelled alone. When our ancestors spread out of Africa…

  • The unknown origins of humans on Swedish radio

    Mattias Jakobsson was featured on Swedish Radio’s morning program (Förmiddag i P1) today, 29 Sept 2026. His conversation with Nicke Nordmark, the program leader, is available at: https://www.sverigesradio.se/avsnitt/manniskans-okanda-ursprung (in Swedish). They talked about Homo Sapiens, Neanderthals, and Denisovans and their coexistence; the unknown DNA in our genes; and the possibility that humans as we know…

  • Meet Jaison Jeevan Sequeira, our current Human Past SCAS Junior Fellow

    We are pleased to welcome Jaison Jeevan Sequeira, Guest Lecturer & Researcher, Department of Applied Zoology, Mangalore University, as our new fellow. Jaison is a population geneticist interested in the demographic history of South Asia. His doctoral thesis focused on the ancestral history and genomic diversity of linguistic populations along the southwest coast of India.…