The permafrost is disappearing. As it thaws, billions of tonnes of long-buried carbon could escape into our atmosphere with cataclysmic consequences. But one man, his son and a bunch of bison have a plan to restore the ice age ecosystem.
Rather than being slow, lumbering and a bit stupid, dinosaurs were smart and nimble-brained – just ask the palaeontologists who are peering deep inside the fossilised skulls of these prehistoric animals.
T. Rex might be king of the dinosaurs, but it looks like his court was home to more than a few jesters - here are some of the most unusual, bizarre, and downright weird dinosaurs to have roamed the planet.
Refrigerator companies must be pretty grateful for this bit of biochemistry.