Science Creates Music for Cats?!

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Via PBS:

Ever wondered why your cats don't share your appreciation of Johann Sebastian Bach or aren't as enthusiastic to rock out to an old Led Zeppelin record? Turns out, it's not their style.

Cats, in fact, do enjoy music, but they don't enjoy human music — at least according to new research. A study recently published in the journal Applied Animal Behavior Science believes that in order for our feline friends to enjoy music, it has to be species-specific music.

Chemists Analyze Beer From 170 Years Ago

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old beer is rather similar to modern beer
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Via Sci-News:

“Compared to modern beers, the shipwreck beers contained similar levels of potassium but 15- to 60-fold more sodium, presumably derived from sea water. This may have diluted the beers up to 30%,” the scientists wrote in the paper published in the Journal of Agricultural & Food Chemistry.

“Ethanol contents were low (2.8-3.2%) compared to typical modern lagers and ales. The mass ratios of glycerol and ethanol were 4.5% for both shipwreck beers, which is typical for a yeast fermentation product.”

Dr Gibson and his colleagues analyzed samples from two bottles recovered in the shipwreck.

They determined that the samples were different beers based on their hop content.