SCIENCE MAGAZINE: The latest issue features ‘Grand Connection’ – Timing of Colorado River’s arrival crystallizes….

Ancient lake’s flood may have etched the Grand Canyon

Mineral grains show Colorado River filled a basin at the canyon’s head millions of years ago

Differences in ribosomes may help explain human diversity

Mutations in genes for cells’ protein factories linked to traits such as height and weight

Rise of farming, cultural shifts supercharged human evolution

Sweeping study finds rapid genetic change in past 10,000 years

Fog, a research ‘underdog,’ gets serious attention

California effort will study the future of a vital water source in a warming world