News

Oceans

Saharan dust explains Bahamas’ paradoxical existence

Windswept dust from the Sahara Desert may fertilize bacteria that built the Bahamas.

Cosmology

Lab version of early universe fails to solve lithium problem

An experiment that imitated conditions from just after the Big Bang failed to explain why observed amounts of lithium don’t match those expected from theory.

Environment

Decline in birds linked to common insecticide

In addition to harming bee populations, neonicotinoid insecticides may also be detrimental to bug-eating birds.

Life

Fiber optics in mammals’ eyes separate colors

Specialized cells in the retina separate different wavelengths of light to enable sharp vision during the day without harming night vision.