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Posts Tagged "earth science"

Budding Scientist

Why America’s Kids Need New Standards for Science Education

Earlier today, a group of scientists, educators and policymakers released the newest draft of the Next Generation Science Standards, which lay out ambitious expectations for what elementary, middle and high school students should learn at each grade level. These guidelines affect virtually every child enrolled in public school, and advocates say they will revolutionize STEM [...]

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Observations

Italy’s Mount Etna Erupts Again [VIDEO]

A decade after a series of eruptions forced evacuations from the flanks of Mount Etna in Sicily, the volcano is acting up again. This amazing video shows the new flows: Mount Etna is an enigmatic volcano. It doesn’t fall neatly into any of the three major categories of volcanoes—the quiet rift volcanoes that occur where [...]

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Observations

How Life Arose on Earth, and How a Singularity Might Bring It Down

It didn’t take long for the recent Foundational Questions Institute conference on the nature of time to delve into the purpose of life. “The purpose of life,” meeting co-organizer and Caltech cosmologist Sean Carroll said in his opening remarks, “is to hydrogenate carbon dioxide.” Well, there you have it. Carroll is one of the most [...]

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Observations

The Geoid: Why a map of Earth’s gravity yields a potato-shaped planet

This video is no April’s fool joke: Earth really is shaped like a potato. However, the shape that you see here is, um, slightly exaggerated to highlight its irregularities. Another caveat: what is depicted here is not the shape of the planet, but rather the shape of an idealized sea-level surface extending around the entire [...]

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Symbiartic

Will the real Sam Illustrator please stand up?

In researching the carbon cycle recently, I came across the diagram above illustrating how carbon cycles through the atmosphere and into the ocean, through shells and rock, then magma only to be spewn out as gas into the atmosphere again via volcanoes. I thought it did a nice job of conveying the information, but I [...]

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