In 1960, Simpson was a full Professor at the University of California Los Angeles, where she designed and taught graduate classes, and wrote two books. She also “computerized” her cloud model and ...

Dating back to A.D. 870, intermittent records assembled by the Vikings record the number of weeks per year that ice occurred along the north coast of Iceland. Other, scattered records of Arctic sea ...

All matter in the universe that has a temperature above absolute zero (the temperature at which all atomic or molecular motion stops) radiates energy across a range of wavelengths in the ...

Phytoplankton are the foundation of the aquatic food web, the primary producers, feeding everything from microscopic, animal-like zooplankton to multi-ton whales. Small fish and invertebrates also ...

Air temperatures on Earth have been rising since the Industrial Revolution. While natural variability plays some part, the preponderance of evidence indicates that human activities—particularly ...

Among the mysteries of the South American Monsoon, explains Fu, is how the first thunderstorms of the wet season get started. A monsoon is an atmospheric see-saw in which the large-scale circulation ...

Upon earning her Ph.D., Simpson had a husband, one child, and no job. Frustrated after being repeatedly turned down because of her gender, she eventually landed a position at the Illinois Institute of ...

The flowering dogwood (Cornus florida) is a deciduous tree, meaning that it loses its leaves in the winter. In early spring, the dogwood produces white or pink petals, and in late spring it has red ...

The cost and benefits of global warming will vary greatly from area to area. For moderate climate change, the balance can be difficult to assess. But the larger the change in climate, the more ...

Welcome, teachers, to Mission: Biomes! This site was designed for teachers to use in classrooms as a supplementary, interdisciplinary unit. Mission: Biomes is especially appropriate for grades 3 ...

In a satellite image, actinoform clouds look like distinct leaf-like or spokes-on-a-wheel patterns that stand out from the rest of the low-lying cloud field. Bjorn Stevens, a meteorology professor at ...

The most valuable fossils found in sediment cores are from tiny animals with a calcium carbonate shell, called foraminifera. One species of foraminifera lives in the icy waters of the Arctic above ...