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 Cosmos Online Space submersible gets Antarctic testAn untapped Antarctic lake is the next testing ground for an underwater probe that could one day dive into extraterrestrial oceans.  GM crops: solution to world food crisis?Genetically modified crops offer massive benefits to the Third World, and we have an ethical obligation to consider developing them to combat the world food crisis.  Nothing to fear but fear itselfThe greatest danger facing humanity isn't climate change. It's the misguided belief that there's nothing we can do about it.  Nuclear autumnThe Cold War may be over, but even a relatively small nuclear exchange by rogue nations or terrorist groups could wreak havoc on global climate, threatening civilisation as we know it.  Extinction list is call to actionThe new IUCN Red List shows that a third of mammals now face extinction. Though the findings are grim, they are also a call to action, says primatologist Jane Goodall.  Back to the Moon: a lunar love affairThere are good scientific reasons for returning people to the Moon, and for Australia to participate much more fully in international space programs.  NASA looks to new frontiersHalf a century after NASA was created at the height of the Cold War – when the U.S. sought to prove its superiority by winning the Moon race – the agency faces new challenges.  Fifty years of NASAIn 50 years, NASA has earned itself an unparalleled reputation as an engineering, technological and scientific pioneer by pushing science to the limit.  The final frontierIn the 1960s the space race created a fascination with science and great technological advances. To find alien life we need to take back up that mantle, says astrophysicist Stephen Hawking, and send people further into space.  Verging on absolute zeroWe've gone to space, split the atom, and created devices small enough to travel through our blood. But it seems that in science, as in nature, there are some places we still can't reach.  The technology of athletics tracksThough the high-tech swimsuits being used in the 2008 Beijing Olympics are getting most of the press, research shows that applying advanced technology to running tracks might help break records too.  China's Olympian efforts to tackle pollutionAs the 2008 Beijing Olympic Games get underway, an expensive environmental experiment is taking place, providing a golden opportunity for pollution science.  Solar sailingSolar sails would allow a spacecraft to be propelled by the gentle pressure of light itself. It sounds like a fantastical concept, but with two missions imminently due to practically test the idea, it's edging towards reality.  The profit from obesityTo stem the spread of obesity, we must study the complex web of commercial interests and marketing strategies driving it. 
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