Seasteading: Libertarians dream of creating self-ruling floating cities. But can the many obstacles, not least the engineering ones, be overcome?
Little has been done to protect marine life since the 1992 Rio Earth Summit, conservation scientists conclude. On pledges to protect key habitat and restrict the size of fishing fleets, they say progress has been “pitiful”. Their analysis is carried in the journal Science and is being discussed during final preparations for the Rio+20 summit….
NASA’s Curiosity rover has gulped in Martian air but failed to find methane – a gas linked to living things. But it has turned up signs that Mars may have lost much of its original atmosphere. Since landing on the Red Planet’s surface Aug. 5, the Mars Science Laboratory rover has zapped rocks with its…
In a major breakthrough, an international team of scientists has proven that addiction to morphine and heroin can be blocked, while at the same time increasing pain relief. The team from the University of Adelaide and University of Colorado has discovered the key mechanism in the body’s immune system that amplifies addiction to opioid drugs….
Since its daredevil landing on Mars last summer, NASA’s Curiosity rover has been avidly exploring its new home in Gale Crater. But there’s been one worry that several people have voiced since Curiosity launched — what if the rover contaminates the surface of Mars with Earth life? Mars and Earth are very different places. Earth’s…
Is there an ethical argument in favor of flesh consumption? That is, can a meat-eating human find solid moral ground for her more carnivorous appetites? Is there a soul-cure for the stomachache that comes from eating the body of another sentient creature? Are these questions that the vast storehouses of religious traditions can help us…
During the 19th and early 20th centuries, religion lost influence, but the religious impulse lingered on. Some people sought salvation in the secular religions of politics — in Communism, fascism and various utopian experiments. Others saw artists, musicians and writers as Holy Men, who could provide transcendence and meaning, revealing timeless truths on how to…