Articles concerning: natural history

Cryptozoology is the science of hidden animals. The term was coined in the 1950s by Dr. Bernard Heuvelmans, who became president of the International Society of Cryptozoology when it was formed in 1982. The notion of hidden animals covers a range of meanings. First, there are animals that are known to science that are extremely elusive and only rarely sighted, such as giant squid. Second, there are many species of microscopic creatures that remain unknown because insufficient effort has been exerted to collect and identify them.

Many different species in the history of life on this planet have simply ceased to be. Gone but not forgotten these strange animals leave evidence of their existence entombed in the sedimentary layers of the earth's crust. As fascinating as these fossilized discoveries are, what's even more fascinating is the mystery of what happened to them.

Tsunami - a seismic sea wave - means in Japanese "harbor-wave". It is also misleadingly called "tidal wave". It is an ocean wave caused by an earthquake of magnitude 6.5 on the Richter scale (or greater) that occurs less than 50 kilometers beneath the seafloor. Tsunamis can also be caused by volcanic eruptions and by landslides.

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