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.
Living in a Bacterial World: Antibiotic-Resistant Bacteria Everywhere
The good news: Antibiotics didn't create antibiotic-resistant bacteria. The bad news: Antibiotic-resistant bacteria is everywhere.
Interview: Biochemist Thinks Eating Boogers Could Be Healthy
You've eaten boogers before—admit it. You might even do it now. Either way, one biochemist thinks you're onto something.