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Saturn: The Basics

To ancient astronomers, Saturn was a wandering light near the edge of the known universe. The planet and its rings have been objects of beauty and wonder ever since Galileo noticed the 'cup handles' that seemed attached to a round world. Saturn is a smaller version of Jupiter, made up of a similar mix of gases, mostly the very light hydrogen and ...

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SaturnTheBasics
Geology

1816 - The Year Without A Summer

Most global temperature change occurs over a long period of time, centuries rather than years, and in small increments. But in 1816, the Northeastern part of the United State and Northern Europe were ... Continue reading

1816YearSummer
Geology

Predicting Floods

Several types of data can be collected to assist hydrologists predict when and where floods might occur. The first and most important is monitoring the amount of rainfall occurring on a realtime ... Continue reading

PredictingFloods
Biology

Ergot, Witches & Rye. Oh My!

Did you know that a disease of rye is connected to LSD and witches? Ergot is caused by a fungus that attacks a number of cereal grains, but rye is most severely infected. The healthy grains are ... Continue reading

ErgotWitchesRyeOhMy
Geology

What Is Air Pressure?

You can think of our atmosphere as a large ocean of air surrounding the Earth. The air that composes the atmosphere is made of many different gases. Nitrogen accounts for as much as 78 percent of the ... Continue reading

WhatIsAirPressure

When Did A Cat Become A Kitty?

WhenDidACatBecomeAKittyIt has long been thought that cats were first domesticated in Egypt, about 4000 years ago. Indeed, they were very highly thought of in ancient Egyptian society. It was illegal to kill or harm them, and illegal to export them to other countries. When they died, they were often mummified in the same way as deceased human bodies. In fact, archaeologists working in Egypt have found more cat mummies than human mummies!

Unlike dogs, which are thought to have been domesticated by hunters, cats were domesticated by farmers. Stored grain attracted mice and rats to human settlements, and the ready supply of rodents attracted cats. People were glad to have the cats killing off the mice and rats, and gradually a friendly relationship developed. But in ancient Egypt cats were always free to come and go as they pleased!

New evidence recently published in Science suggests that cats were actually domesticated much earlier, over 9000 years ago, in Cyprus, not Egypt. Cyprus is an island at the eastern end of the Mediterranean Sea, near Turkey. Archaeologists working in Cyprus found a cat skeleton buried near that of a human. The skeleton is complete, showing that the cat was buried shortly after death. It appears to have been buried together with the human remains, perhaps because the dead person’s family regarded the cat as an important individual. Possibly the cat was killed so it could accompany its owner in the afterlife.