What is the Difference between Sea Urchins and Sand Dollars

What is the Difference between Sea Urchins and Sand Dollars?

 Sand dollars and sea urchins both belong to the phylum Echinodermata, a group which contains other radially symmetrical animals such as starfish and sea cucumbers. Unlike starfish and sea cucumbers, sea urchins and sand dollars belong to the same class: Echinoidea. Members of this class are part of Echinodermata but have a few differences. The …

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Wonderful pyrite cubes from Navajún, Spain

Wonderful pyrite cubes from Navajún, Spain

What is Pyrite? Pyrite is a beautiful mineral that naturally forms into cubic crystal structures. As seen in the photo above, pyrite can become amazingly cuboidal, nearly perfect. These natural formations look artificial, almost alien in their perfection, yet they are simply the product of explainable geological events which occur all over the world. Pyrite …

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Merlin Butterfly Sanctuary

Supporting the Merlin Butterfly Sanctuary

As we pay much attention to nature conservation and supporting ethical projects, we have visited the Merlin Butterfly Sanctuary during our visit in Thailand. The butterfly sanctuary is a project setup with IUCN, in collaboration with the Phuket Marriott Resort and Spa. Merlin Beach has established a unique conservation-oriented Butterfly Sanctuary on the resort property …

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