Cornell researchers fused two bacterial proteins, TldR and TniQ, into a compact RNA-guided system that inserts large pieces of DNA at a chosen site without a CRISPR-Cas protein. It works only in bacteria so far, but it targets one of gene editing's biggest gaps.

Boys with Duchenne who received Elevidys between ages 8 and 12 kept more motor function over two years than matched untreated boys, Sarepta reported at the World Muscle Society Congress. Here is what the data show, and what they don't.

A viral post claims scientists can now remove the extra chromosome behind Down syndrome. The 2025 Mie University study is real, but it was done in lab-grown cells, not babies, and it is far from a treatment. Here is the myth vs. fact.