Social Justice How Weak Immune Systems Escort a Deadly Fungus Into the Brain A pervasive fungus, passed along by pigeon droppings, can kill HIV patients by using a Trojan Horse strategy to invade their brains. John Upton
Environment Living in a Bacterial World The good news: Antibiotics didn't create antibiotic-resistant bacteria. The bad news: Antibiotic-resistant bacteria is everywhere. Michael White
Social Justice How Do We Name Deadly New Viruses? Human disease is littered with examples of fractious, sometimes furious rows over what emerging pathogens are called. Kate Kelland
Social Justice This Man Wants You to Pick Your Nose and Eat It You've eaten boogers before—admit it. You might even do it now. Either way, one biochemist thinks you're onto something. Ryan O'Hanlon