3+ day, 18+ hour ago  (481+ words) A huge treasure trove of ancient DNA from animals including extinct woolly mammoths has been discovered in frozen squirrel faeces in Canada's remote Yukon territory, scientists said. The DNA found deep inside sealed-off burrows is between 3, 000 and 700, 000 years old, offering…...

3+ mon, 1+ week ago  (473+ words) Analysis: Dwarfing every living thing around them millions of years ago, Prototaxites have long defied scientific classification Of course, it's an understatement to say we know much more than we don't know, but it is often the big unsolved mysteries…...