Freelancing. Some days you sit at a computer. Other days you get to be outside by a river and watch salmon head upstream.
A bizarre creature that lived in the ocean more than 500 million years ago has emerged from the famous Middle Cambrian Burgess Shale in the Canadian Rockies. Officially named Siphusauctum gregarium, fossils reveal a tulip-shaped creature that is about the length of a paperback novelÂ (>20 cm) and with a unique