Ecosystem Diversity

Hi. It’s Mr. Andersen and this is environmental science video 9. It is on ecosystem diversity. A model we have talked a lot about so far is this idea that the earth provides life support for the society of humans which is driven by economy. Now economics is the choices that we are making but […]

The coelacanth: A living fossil of a fish – Erin Eastwood

The dead coming back to life sounds scary. But for scientists, it can be a wonderful opportunity. Of course, we’re not talking about zombies. Rather, this particular opportunity came in the unlikely form of large, slow-moving fish called the coelacanth. This oddity dates back 360 million years, and was believed to have died out during […]