Over 500 Visitors: Successful Kick-off for Free Museum Sunday in Jena

Symbolbild: Über 500 Besucher: Erfolgreicher Auftakt für kostenfreien Museumssonntag in Jena

Jena, April 03, 2026 – The first free museum Sunday in Jena recorded significant visitor interest. On March 29, nearly 600 guests took advantage of the offer to visit the Städtische Museen of the City of Light without an admission ticket.

Researchers from Jena show: Million-year-old insect symbioses are more fragile than expected

Symbolbild: Forscher aus Jena zeigen: Millionen Jahre alte Insekten-Symbiosen sind zerbrechlicher als gedacht

A recent study by the Max Planck Institute for Chemical Ecology in Jena illustrates that even firmly established insect symbioses can be broken up in a very short time. In experimental observations, a newly introduced bacterium displaced the original partner of a grain beetle within just a few generations.