Showing results for
A stormy sea lashes the village of Shismaref, Alaska, where the coastline has...
Coral Growth Rings
Ultraviolet light illuminates the growth rings in a cross-section of a 44-year-old...
Ice Melt in Iceland
On average, Arctic sea ice has decreased by four percent per decade since the late...
What is coral bleaching? These white corals in the Gulf of Mexico’s Flower Garden...