Big animals tend to live longer, so their slower mutation rate could help explain the paradox, but the researchers say this is far from the whole story. Getty Images A naked mole rat lives to ...

The mutation is in the Trk-fused gene, which typically facilitates the transportation of proteins within nerve cells called neurons. When that function is disrupted in people — and rats — it leads to ...

The mutation is in the Trk-fused gene, which typically facilitates the transportation of proteins within nerve cells called ...