The suspension of gravity

At the launch of the Dinosaurs Life! exhibition last night, I made the aquaintance of the amazing Maiasaura. This was a 9m long, 2.5m tall plant eating dinosaur with a toothless beak, cheek pouches, a small crest in front of the eyes and, aparently, a surprising ability to defy gravity! The exhibition features lots of…

Singapore on the Hillside

We all know gravity is pulling us down towards the Earth. We usually assume that this means towards the centre of the planet, but that’s actually not the case. It would be the case if the Earth was a perfect sphere with uniform density, but our planet is a lot more interesting than that. Earth…