A fertilizer dearth foiled animal evolution for eons?

EarthzineBiodiversity

Earth was inhospitable to complex life for billions of years, practically suffocating evolution in a nearly oxygen-free environment. Then came a shift in phosphorus concentrations to ocean shallows, and after that, the evolution of complex life exploded.

Dinosaur-surviving mammal endangered by stray dogs

EarthzineBiodiversity

Research shows the solenodon evolved more than 70 million years ago – in time to hang out with dinosaurs. But today these unique mammals face a barrage of threats including stray dogs, feral cats, invasive mongoose and deforestation.