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 Cosmos Magazine Ghosts in the machineConsciousness is the last bastion of research: the ghost in the machinery of the brain we cannot see, but only dimly detect. And why it exists at all remains largely a mystery.  Organic food exposedIt’s a booming trend, driven by public perception that food produced minus pesticides and fertilisers is healthier and better for the planet. We examine the science to see if the evidence stacks up.  Intersex: The space between the gendersThe West defines gender in two distinct categories. But gender may be a spectrum. Why does society, and even science, struggle to understand and accept those who are somewhere between male and female?  Intersex: Case studiesThe Western world defines gender in two distinct categories. But in reality, gender is a spectrum. Why does society, and even science, struggle to understand and accept those who are somewhere between male and female?  Cosmic healingHow to keep healthy in space? Along with the dangers of radiation and the difficulties of dealing with medical emergencies, there are the lasting effects of zero-g on the human body.  Eternal frontierGoing into space may be one of the best things we can do to save our world, and ourselves.  Life the universe and everythingIf the basic laws of the universe were just slightly different, life and everything we know would not exist. So why is the universe just right for life?  Science of smoochingThe origins and role of the kiss in human relations remain a hotly controversial topic in science.  How I discovered ViagraI was as surprised as anyone when my research on a potential treatment for heart disease revealed a side effect that sparked a sexual health revolution.  Hothouse flowersSome claim hydroponic marijuana is up to 60 times stronger than varieties on the street 20 years ago; or that its residue of growth-nutrients and chemicals result in a more toxic drug.  Medical marijuanaCannabis use has a 4,000-year medical history, dating back to the early Chinese and Indian civilisations.  Marijuana: What science has to sayIt's a drug that divides people: some see it as unfairly demonised, others as a medical catastrophe in the making. But what does the science say?  SmartasaurusIf they hadn't been wiped out in a global catastrophe 65 million years ago, could dinosaurs have evolved intelligence?  Sexual chemistry 101Looking for love? Use the power of science to give you the edge in the dating game, with the top 10 lab-tested tips for finding the perfect mate.  Is humanity suicidal?Is humanity suicidal? Eminent U.S. zoologist and author, E.O. Wilson, first asked himself that question more than a decade ago. And today? 
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