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"Different than expected" – geochemists measure the composition of the mantle

The mineral olivine contains only a few microns of melt inclusions (black dots). The geochemists isolated these inclusions and examined the isotopic composition with mass spectrometer Credit: University of Münster – Felix Genske Researchers suspect a greater dynamic than previously assumed between the earth's surface and the Earth's mantle. What is the chemical composition of the Earth's interior? Because it …

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That's why the Saturn rotation is so hard to measure

For a rocky planet, it can be easy to determine the length of a day. Just pick a reference point and watch how long it takes for the camera to disappear. But for planets like Saturn it's not that easy. There are no surface features to track. Scientists have spent decades trying to determine the Saturn rotation period. But the …

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Chocolate interferes with THC testing and makes it difficult to measure the potency of food

Photo : Justin Sullivan ( Getty Images ) ] Your next edible chocolate pot could be more or less strong than indicated, as new preliminary research suggests. It has been found that chocolate-based products can sometimes provide inconsistent laboratory values ​​for the amount of THCs they contain. Scientists from CW Analytical, a California cannabis testing laboratory, found that their potency …

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A submarine emerges from under a failing glacier to measure the rising sea

Oceanographer Anna Wåhlin walked across the bridge of the Nathaniel B. Palmer icebreaker like a nervous parent waiting for a teenager to curfew. The fiery-orange submarine she named Ran after the Norse goddess of the sea had no chance yet of his first mission in the water depths around the Thwaites Glacier of West Antarctic. "She's a very spirited woman," …

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Lufthansa and British Airways suddenly stop all flights to Cairo as a precautionary measure

The British government issued a travel warning for Egypt on Saturday, citing a "heightened risk of terrorism against aviation" when British Airways and the German airline Lufthansa suspended flights to Cairo as a precautionary measure. British Airways flights were suspended for seven days, while Lufthansa flights resumed on Sunday. "There is an increased risk of terrorism against aviation," a statement …

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Gary Sanchez fetches another tape measure for Yankees

ST. PETERSBURG, Florida – Gary Sanchez & # 39; 10. Inning threesome explosion in the Yankees' 8: 4 win against the Rays on Thursday night was measured at 461 feet. This is the fourth longest homer of a Yankee this season and Sanchez has three of them. His homer on June 21 against Houston was measured at 481 feet. Sanchez …

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Astronomers measure tiny black hole in the nearby dwarf galaxy

When people think of a black hole, they typically imagine a large, burning cosmic being, millions or billions of times larger than our sun. However, not all black holes are supermassive, and the smaller ones are also important. A team of scientists from the University of Michigan measured the mass of a small black hole in a nearby dwarf galaxy …

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