PhysicsIs space-time quantum? Six ways to unpick the fabric of the universe One of the biggest questions in physics asks whether space-time is classical or quantum in nature. From slow neutrinos to quantum foam, these experiments are hoping to finally answer it Features
MindFree will: Can neuroscience reveal if your choices are yours to make? Philosophers have wrestled with the question of whether we are truly free to decide on our actions for centuries. Now, insights from genetics, neuroscience and evolutionary biology are shedding fresh light on the issue Features