Why the Tropics are an evolutionary hotbed

Tropical climates are famously rich in biodiversity, perhaps because old lineages persist well in those regions instead of being simply replaced by new ones, or perhaps because the tropical environment promotes fast speciation. A new …

Madrid dabbles in citizen-led culture

If you visit the Tabacalera, a decrepit old tobacco factory in the center of Madrid, you might find artists painting in one basement room, hear muffled drums thumping from another, or catch a teenage video DJ performing in the courtyard next to the bike workshop.

There’s no tobacco processing done here anymore. And nobody charges at the door. In fact, it looks, sounds and feels like an anarchic arts squat. Until you bump into a security guard.