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"NASA's Curiosity rover delivers its first soil sample to its chemistry and mineralogy instrument. "

students use the hardness scale to pick drill bits to escape the Castle of Doom. I had fun.

"For one thing, nine of the 10 hottest years on record have happened in the last decade. So I'll discuss just two facts - how carbon dioxide causes global warming, and where this heat is going."

Spring starts on the first day of September, right? Not if Dr Tim Entwisle, director of the Royal Botanic Gardens in Melbourne and the author of 'Sprinter and Sprummer', has anything to do with it. Here he argues we should scrap the European approach and adopt a five season model.

"Professor Tim Entwisle, Royal Botanic Gardens director, will release a book Sprinter and Sprummer: Australia's changing seasons in September, that will argue there should be five seasons and these should include two springs."

"The MIDWAY media project is a powerful visual journey into the heart of an astonishingly symbolic environmental tragedy. On one of the remotest islands on our planet, tens of thousands of baby albatrosses lie dead on the ground, their bodies filled with plastic from the Pacific Garbage Patch."

This is a very cool way to show topo maps with sand, a digital projector, and kinect.