Oldest modern shark mega-predator from the Age of the Dinosaurs
A gigantic 8m long mega-predatory shark stalks an unwary long-necked plesiosaur in the seas off Australia 115 million years ago. Credit: Polyanna von Knorring, Swedish Museum of Natural History. Around 115 million years ago, the seas off northern Australia were...
Predicting the green glow of aurorae on Mars
Image credit: David Crisp and the WFPC2 Science Team (Jet Propulsion Laboratory/ California Institute of Technology), Public domain, via Wikimedia Commons. Planetary scientists believe they can now predict the green glow of an aurora in the night sky above Mars, and...
Cheaper and better lasers can open for new technology
It’s not so easy for the rest of us to see, but this humble prototype could result in cheaper and more effective lasers. Credit: Photo: Simone Bianconi, EPFL. A new type of laser solves several problems associated with current-day laser technology, according to...