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This Happened

This Happened—December 22:  Bertha Röntgen's Hand Becomes Landmark Of Science

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In 1895, Wilhelm Conrad Röntgen took the first X-ray ever.

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What was the first X-ray taken of?

Röntgen's experiments revealed that this new type of ray was capable of passing through most substances, including the soft tissues of the body, but left bones and metals visible.

How did the X-ray change the medical field?

In addition to the help X-rays provided in diagnostics, doctors began applying the rays to treating disease. Electrotherapy had proved popular for the temporary relief of real and imagined pains, which used the same apparatus to generate X-rays. In January 1896, a Chicago electrotherapist named Emil Grubbe irradiated a woman's recurrent breast cancer, while others found positive results in the treatment of surface lesions and skin problems.

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Green

Moose In Our Midst: How Poland's Wildlife Preservation Worked A Bit Too Well

Wild moose have been spotted on Polish beaches and even near cities. They're a rare example of successful conservation efforts, but they're increasingly coming into contact with people.

Photo of a moose crossing a road

Moose seen in Poland

Joanna Wisniowska

GDANSK — Images of wild moose roaming the streets and beaches of Poland’s Baltic coast have been cropping up online more frequently. What should someone do if they encounter one? According to Mateusz Ciechanowski, a biologist at the University of Gdansk, the best option is to leave them alone.

“This is the result of the consistent protection that has been provided to this species of moose,” said Ciechanowski. “As the numbers increase, so does the animals’ range”.

Various media outlets have been publishing reports about spotted wild moose in the cities of Gdansk, Gdynia, and Sopot with increasing frequency. Perhaps more surprising is that these moose have been seen on beaches as well.

Centuries ago, moose could be found all over the European continent. But, like the European bison, they were often hunted for their value as an attractive game animal.

Aside from population declines due to hunting, the drainage of European wetlands also decreased the number of viable moose habitats. The animals, which prefer marshy areas, dwindled without the proper natural environment to flourish in.

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