Space Dark energy is not an illusion after all New measurements of exploding stars are challenging an upstart theory that dark energy is just an illusion caused by our location within a giant void. In 1998, astronomers reported that the universe's expansion seems to be faster now than it was in the past, based on measurements of supernova explosions in both nearby and distant … News
Health Don't let polio eradication slip away again Last stand After years of frustration, polio is on the ropes. But we could still miss the historic opportunity to wipe it out for good IT IS the disease that's always down, but never quite out. In 1998 the World Health Organization claimed it was going to eradicate by 2000. In 2000 it revised the … Opinion
Earth Starting over: Rebuilding civilisation from scratch Big-city living could be a recipe for happiness The way we live is mostly down to accidents of history. So what if we thought it through properly? IN JUST a few thousand years, we humans have created a remarkable civilisation: cities, transport networks, governments, vast economies full of specialised labour and a host of cultural … Features
Let the geek worship begin As The New Cool by Neal Bascomb shows, classroom robot wars can inspire the celebration of invention "IT IS almost a miracle that modern teaching methods have not yet entirely strangled the holy curiosity of inquiry," Albert Einstein once observed, expressing his frustrations with his early formal education. "For what this delicate little plant needs … CultureLab
Enigma Number 1639 Square clocks In, say, 5-clock arithmetic, counting runs from 1 to 5, but starts again at 1 when 6 is reached. So, in 5-clock arithmetic, 3 + 4 = 2 and so on. Anne, Brian and Cate have been investigating x -clock arithmetic, where x is 2 to 15 inclusive. They have each discovered a … Regulars
Feedback: Meeting yourself in other universes Meeting yourself in other universes THIS could be the loopiest website we have come across yet. Several readers have gleefully suggested we bask in the craziness of quantumjumping.com , a website that tells us we can "jump" into parallel universes and benefit from encounters with alternative versions of ourselves that live in them: "Imagine the … Regulars