As our planet's permafrosts continue to melt in record-breaking heat, we can expect to find astonishing things from the ancient past. Like this huge wolf head, preserved since the last ice age and unearthed in incredible condition in Siberia in 2018, an estimated 40,000 years since being entombed in frozen wilderness. The giant head, discovered by a local man in 2018 along the shores of the Tirekhtyakh River in the Russian Republic of Sakha (aka Yakutia), measures a whole 40 centimetres in length (about 16 inches), making it unlike any existing wolf specimen scientists have studied from so long ago....