Study: Plankton make scents for seabirds and a cooler planet

Study: Plankton make scents for seabirds and a cooler planet
How life might have survived ‘snowball Earth’

How life might have survived 'snowball Earth'
New Northwest Passage triggers mass species migration

New Northwest Passage triggers mass species migration
Ocean acidification fastest in 65 million years

Ocean acidification fastest in 65 million years