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Two Texas dogs sniff out Galapagos snails

About 50 acres on Santa Cruz are threatened, including banana, pineapple, carrot, tomato, pepper, cassava and coffee crops, ruining the food supply for the island's residents. [...]

April 24, 2015

The Sun also has seasons

McIntosh says these quasi-annual variations are not unlike regions on Earth that have two seasons, like rainy and dry seasons. [...]

April 10, 2015

What makes Mercury’s surface black?

Mercury is significantly darker on its surface than our moon, and consequently, it reflects only about one-third of the light that is reflected by the moon. [...]

March 31, 2015

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