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News zu #HZDR Dresden

In the Witwatersrand Basin near Johannesburg, families live right next to spoil heaps from gold mining. The swirling dust contains toxic uranium. Angela Mathee

Dangerous legacy of the gold mines

Every day, dust from huge spoil tips blows into the residential areas around Johannesburg in South Africa. What many people don't know: It contains uranium. Researchers from the Helmholtz-Zentrum Dresden-Rossendorf have investigated the extent to which children living near old gold mines are exposed. The hair analyses show clear differences to children from areas without mining.

Everyone knows water - but under extreme conditions it becomes something completely new. © pixabay/Pexels

Researchers discover new form of water

Water that can conduct electricity extremely well? Researchers from Dresden and Rostock have discovered an exotic form of water that only forms under the most extreme conditions. The findings could explain what happens inside ice giants such as Uranus and Neptune.

Johanna Trommer and Tobias Krönke are part of the HZDR team that developed the special molecular marker.  © HZDR/K.Zheynova

New marker shows which bladder cancer patients benefit from therapy

Researchers at the Helmholtz-Zentrum Dresden-Rossendorf have developed a molecular marker to help doctors choose the right bladder cancer therapy. The radiotracer NECT-224 makes visible whether tumors carry a certain protein to which modern drugs can dock. In summer 2025, it was used successfully for the first time on a patient at Dresden University Hospital.

Brazil nuts not on the snack plate, but in the laboratory. Are they really healthy? © HZDR/B. Schröder

All-clear for Brazil nut fans

Brazil nuts are considered to be selenium bombs, but they also contain radioactive radium. Researchers from Dresden have now measured for the first time how much of it actually ends up in our bodies. The results reassure nut fans.