The Cross Heads

Study: Why Aztec “death whistles” sound like human screams

Aztec death whistles don’t fit into any existing Western classification for wind instruments; they seem to be a unique kind of “air spring” whistle, based on CT scans of some of the artifacts. Sascha Frühholz, a cognitive and affective neuroscientist at the University of Zürich, and several colleagues wanted to learn more about the physical […]

November 20, 2024 | acoustics, anthropology, archaeoacoustics, aztec culture, experimental archaeology, psychoacoustics, Science | No comments

SpaceX just got exactly what it wanted from the FAA for Texas Starship launches

A day after SpaceX launched its Starship rocket for the sixth time, the company received good news from the Federal Aviation Administration regarding future launch operations from its Starbase facility in South Texas. In a draft version of what is known as an “Environmental Assessment,” the FAA indicated that it will grant SpaceX permission to […]

November 20, 2024 | FAA, Science, Space, spacex | No comments

Cracking the recipe for perfect plant-based eggs

An egg is an amazing thing, culinarily speaking: delicious, nutritious, and versatile. Americans eat nearly 100 billion of them every year, almost 300 per person. But eggs, while greener than other animal food sources, have a bigger environmental footprint than almost any plant food—and industrial egg production raises significant animal welfare issues. So food scientists, […]

November 20, 2024 | eggs, Food science, plant-based alternative, Science, syndication | No comments

Scientist behind superconductivity claims ousted

University of Rochester physicist Ranga Dias made headlines with his controversial claims of high-temperature superconductivity—and made headlines again when the two papers reporting the breakthroughs were later retracted under suspicion of scientific misconduct, although Dias denied any wrongdoing. The university conducted a formal investigation over the past year and has now terminated Dias’ employment, The […]

November 19, 2024 | Physics, Ranga Dias, retractions, Science, superconductivity | No comments

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