science

How to Survive Magpie Swooping Season

September is the peak of Australia’s own version of “home-grown terrorism” (as memorably described to me by a distraught and bleeding school principal, valiantly attempting to protect his pupils), when a small but conspicuous proportion of magpies throughout the country begin to attack otherwise innocent passersby. It is certainly the…

weigh dinosaurs jurassic park 2

How We Weigh Dinosaurs

The most emblematic feature of dinosaurs is their body size. Some dinosaurs reached enormous sizes during the Mesozoic Era which ended 66 million years ago, with some species maybe even approaching 100 tonnes. The largest animals ever to walk on Earth were almost certainly dinosaurs. But how do we know…