For over a century, one of the most important salmon runs in the U.S. has had to contend with historic dams in Oregon and California. These dams have been responsible for the death of hundreds of thousands... continue reading
posted by newtboy 2 years 12 months ago • 134 views • 3:07search results matching tag: food chain
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'Someone/thing' could use a chill pill. YouTube: Happy World Oceans Day! We've teamed up with the SpongeBob SquarePants team to delve a little deeper into the oceans and find out what plankton has done... continue reading
posted by PlayhousePals 8 years 10 months 3 weeks ago • 124 views • 2:43Energy is neither created nor destroyed — and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in... continue reading
posted by Joe Motion (lurgee) 9 years 10 months ago • 292 views • 4:44- 1