Daily Archives: March 1, 2011

Quicksand: A Non-Newtonian Fluid

Quicksand is a colloid hydrogel consisting of fine granular matter (such as sand or silt), clay, and salt water. Water circulation underground can focus in an area with the optimal mixture of fine sands and other materials such as clay. The water moves up and then … Continue reading

Posted in Landforms | Leave a comment

In January Arctic Sea Ice Extent is Lowest in Recorded History

Extreme weather conditions and unusually cold temperatures have gripped much of North America and Europe this winter, unusually warm temperatures farther north produced the lowest Arctic sea ice extent ever recorded for the month of January, according to NASA. Areas such as Hudson … Continue reading

Posted in climate change, oceans, Weather | Leave a comment