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An Answer to Endangered Salmon?

Papa salmon plus mama salmon equals ... baby trout? Japanese researchers put a new spin on surrogate parenting as they engineered one fish species to produce another, in a quest to preserve endangered fish.

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Picks & Pans: Dredging on the Arkansas


I had been looking forward to this trip since last year when the annual trip had rewarded me with a ¾-pennyweight nugget.

Making A Big Discovery


We sent them a lot of information, including my presentation about the area and its potential. We were excited to learn a couple weeks later that the company was interested in the property.

The Chinese Experience


The Weaverville War at the California Mines

Dealing With Hot Rocks and Mineralization


What about all that noise coming from the ground? What is a prospector supposed to do about that?

The Final Gold Strike of the Alaska Gold Rush—Livengood Stampede, 1914


The Livengood (pronounced with a long “i” as in alive) gold stampede was the last of the great Alaska Gold Rush. The string of gold rushes began in 1886 with the Fortymile gold strike, and ten years later with the large Yukon Klondike goldfields discovery.

Clarence King, Geologist


Clarence King was born in Rhode Island in 1842, the son of a businessman. His father died when he was 6, so he was raised by his mother. She wanted to have Clarence attend the very best schools, and even moved in order to have him in the best district. She gave him a magnifying glass on his 7th birthday, and this led to his discovery of fossil ferns in neighborhood rocks.

Prospecting for Diamonds in Kimberlite


Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.

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