How can low oxygen levels lead to developmental abnormality and disease? It seems that proteins called hypoxia-inducible factors (HIFs) can affect gene expression in low-oxygen conditions.

More information: Ruofei Zhang et al, Hypoxia-tropic delivery of nanozymes targeting transferrin receptor 1 for nasopharyngeal carcinoma radiotherapy sensitization, Nature Communications (2025).

If signed into law by Gov. Sarah Huckabee Sanders, the bill would make Arkansas the fourth state in the U.S. to allow ...