In a glacial cave, a woolly rhinoceros is trapped in ice along with its cave bear predator. Outside, mastodons can be seen grazing in a slowly warming world.

High up in a forest filled with conifers and cycads, a browsing Camarasaurus happens upon an angry Rhamphorhynchus and her eggs.

Let your head travel to ancient shallow seas filled with trilobites, crinoids and ammonites, but watch out for giant sea scorpions that rule the reefs.

Your head is sent back to the dawn of life, when cyanobacteria are just starting to transform a toxic young atmosphere into the oxygen-rich air we breathe today.

This science brought to you by Logan Austeja and John Daniel