'Living fossil' crabs mysteriously dying in Japan

Hundreds of horseshoe crabs—known as "living fossils" as they are among the earth's oldest creatures—have washed ashore dead in southern Japan, confounding experts who study the alien-like sidewalkers.

Horseshoe crabs are one of nature's great survivors

It may look like something out of a science fiction movie, but the horseshoe crab is definitely real. In fact it is one of nature’s great survivors, lasting through 3 of the Earth’s major extinction events.

Fossil is the oldest-known scorpion

Scientists studying fossils collected 35 years ago have identified them as the oldest-known scorpion species, a prehistoric animal from about 437 million years ago. The researchers found that the animal likely had the capacity ...

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