Learn more about beautiful von Kármán vortices, a swirling pattern of clouds seen in satellite images. They occur when flowing fluid is disturbed by an object.
One might think of vultures as animals that make you cringe, but, really, they win the gold medal for cleaning the environment and protecting us from disease.
Save the Frogs Day - a global amphibian conservation effort - is today, Sunday, April 28, 2024. Amphibian health is an important marker of ecosystem quality.