Pigeons of the sea? Sharks use magnetic compass for navigation

Might be time to re-think your strategy for avoiding sharks: turns out the marine predators use the Earth’s magnetic field to navigate, according to new research from the US. The study has produced the first firm evidence that bonnethead sharks – a small type of hammerhead found in American waters – like birds and turtles, … Continue reading Pigeons of the sea? Sharks use magnetic compass for navigation

Indigenous arrival huge planned migration

The size of the first population of people needed to arrive, survive, and thrive in what is now Australia is revealed in two studies. It took more than 1,000 people to form a viable population. But this was no accidental mass migration, as our work shows the first arrivals must have been planned. Our data … Continue reading Indigenous arrival huge planned migration