Hawaiʻi Indigenous population disease decline 1890

Hawaiʻi's Indigenous population fell sharply

Fewer Than 40,000

After Europeans and Americans arrived carrying diseases such as smallpox, measles, tuberculosis, and syphilis, the population fell from an estimated 300,000 to one million people to fewer than 40,000 by 1890.

Some rare fossils preserve what usually disappears

Most soft body parts rot before they can become fossils. But rare Cambrian fossil sites called lagerstätten can preserve soft tissue and even internal organs. They reveal organisms and details of ancient life that ordinary fossils often miss.

Deep-sea animals can hide by making light

Seen from below, a dark animal can stand out against the faint light coming from the ocean surface. Some deep-sea animals hide this outline by producing light on their underside that matches the background. They use light as camouflage.

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Hawaiʻi Indigenous population disease decline 1890

Hawaiʻi's Indigenous population fell sharply

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