Lipids: fats and oils in foods
As food components, they are very important because they provide a concentrated level of energy (9.1 kcal/g), twice as much as proteins and carbohydrates.
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How Mexican Scientists Are Brewing Batteries from Plastic Trash
Mexican scientists are developing eco-friendly batteries from recycled plastics, primarily ketchup packets. These thin, lightweight batteries use seawater as electrolyte, costing significantly less than commercial ones. Tested in various devices, they aim to power phones and even cars.
Beyond the Twelve: Julián Carrillo and the Infinite Soundscape
Julián Carrillo's "Sound 13" revolutionized music by breaking the traditional 12-tone system. Inspired by subdividing violin strings, he discovered microtones—quarter, third, and even sixteenth tones—creating scales with 24, 36, or 96 notes.
Water Scarcity Threatens Mexican Cities as Climate Change Intensifies
Mexico's cities face a growing water crisis due to population growth, climate change, and aging infrastructure. A UNAM study reveals unequal access and increased consumption during hot periods, exacerbated by urban heat islands.
Mexico's Wage Hike Marks a Turning Point in Labor Policy
Mexico's minimum wage is set for another 12% hike, aiming to boost worker well-being and reduce poverty. The northern border zone will see the highest minimum wage in the country's history.