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Tourism does not harm all caves

Unlike the situation in other caves, damage caused by tourists at the Águila cave in Ávila, Spain is "imperceptible", despite it receiving tens of thousands of visitors each year. This is the main ...

Apr 11, 2011 not rated yet 0

Voracious sponges save reef

Tropical oceans are known as the deserts of the sea. And yet this unlikely environment is the very place where the rich and fertile coral reef grows. Dutch researcher Jasper de Goeij investigated how caves in the coral reef ...

Jan 13, 2009 4.8 / 5 (4) 0