
The fascinating adaptations of frogs
Celebrated for their amphibious lifestyle and cacophonous choruses, the long arc of frog evolution has yielded other awesome and efficient adaptations in organs from their lungs to their skin.

The Outside Story: How trees prepare for winter
In handling heavy snow and ice loads – infamous for breaking branches and bending trunks – our northern tree species vary in strategy.

The Outside Story: To stay or go? How birds weather winter
Were it not for compelling evidence to the contrary, I’d believe I descended from birds – migratory birds in particular.