Earth Pope's impending call for climate action is refreshing (Image: Galileo before the Roman Inquisition , 1857 (oil on canvas), Cristiano Banti (1824-1904)/private collection/De Agostini Picture Library/U. Marzani/Bridgeman Images) It's gratifying that the Catholic church is backing scientists on the issue of climate change – now if only it would heed the evidence on other issues, too WHEN talk turns to the church's relationship … Opinion
Space Mercury may be sole survivor of planetary pile-up Oddball planet: Mercury is a rank outsider in our solar system The inner solar system may once have been a crowded and violent place – and Mercury its lone survivor. A new model suggests that most young planetary systems start with several close-in, rocky planets, which later destroy each other in a cascade of collisions. … News
Space You think there's a multiverse? Get real Positing that alternative universes exist is just disguising our lack of knowledge of the cosmos. It's time to move on, says physicist Lee Smolin Opinion
Earth Pope to make moral case for action on climate change A moral stance could just be a hit COULD one man succeed in spurring decisive action on global warming? Pope Francis , leader of the world's 1.2 billion Catholics, plans to release a ground-breaking appeal to combat climate change, in a major document called an encyclical. Its message will be spread to congregations around the … News
Earth A drowned town has resurfaced – population one (Image: AP Photo/Natacha Pisarenko) THIS photo first made me think of the desolation of Hiroshima after the atomic bomb. Then, seeing the woman walking through the ruins of her former home town, it made me think of Cormac McCarthy's novel The Road , set in a post-apocalyptic North America. What disaster has befallen this place? … Regulars
Physics Reliving five eureka moments lost in history Recreating the past (Image: Collage: Michelle Thompson. photographs: De Agostini/G. Dagli Orti/Getty, Superstock) Water doesn't just boil at 100 °C and chemistry owes a lot to alchemy: recreating long-forgotten experiments provides surprising insights into today's science SCIENCE is a forward-thinking sort of discipline. While displaying due reverence for the great achievements of its past, it … Features
Technology Can bitcoin outgun the abuses of big data? Nothing is sacred for retailers mining your every purchase (Image: Kirk Mastin/Getty) If bitcoin-like currencies take off, might people power stop big firms from invading our privacy? A bold thought from crashing together two new books AS THE second biggest discount retailer in the US, Target has more than 100 million customers. Each is assigned … CultureLab
Feedback: Words for worthless whatsits Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more Words for worthless whatsits FEEDBACK was not aware that any other language had a synonym for the Yiddish tchotchke , "a trinket of no discernible function" (13 December 2014) . So we are pleasantly surprised by the number of suggestions. … Regulars