Freshwater Is Getting Saltier, Threatening People and Wildlife
Road de-icing, industrial activity and other culprits are pushing salt levels in rivers and streams to alarming levels
Stories by Tim Vernimmen
Climate Change May Curtail Shorebirds' Need to Fly North
Arctic predators have been eating twice as many shorebird eggs, threatening populations and potentially migration itself
Babysitting Mammals Keep It in the Family
Blood relations may be the key factor for mole rats, meerkats and others. But how do humans fit in?
El Niño Might Speed Up Climate Change
Scientists have evidence that El Niño boosts CO2 levels, and they are pinning down how
Where Creativity Comes From
Studies of humans and other animals indicate that inventiveness often stems from factors other than need
