A new study says genomic analysis shows dogs and wolves diverged from a common wolf-like ancestor 11,000 to 16,000 years ago, although repeated interbreeding between the animals has clouded their evolutionary history.

The inventor of the iconic AK-47 assault rifle, Mikhail Kalashnikov, has died at the age of 94. His ingenuity earned him widespread admiration, but his legacy became more controversial when his weapons were used in some of the world’s bloodiest conflicts.