Thanks to a combination of sensing the Earth’s magnetic field through vision and an in-built compass that allows them to orient themselves according to magnetic intensity, migratory birds don’t have much trouble finding their way. Those biological gadgets, known as magnetoreception, allow birds to not only know which direction to head in on their first outbound migration but … Read more
It’s full of stars.
The chance it’s an artefact is just 1%.
The arid heart of Australia may not easily support life now, but once, many aeons ago, it was lush and teeming. What is now arid desert and dry shrub- and grasslands was once thick with dense forests, alive with life. In one of these grasslands, in the Central Tablelands of NSW, paleontologists have found … Read more