Every 80 minutes or so, a subtle patch of sky toward the constellation Ara flickers. A surge of radio waves, sharply polarized, lasting a few minutes, then vanishes. Occasionally it turns off completely for hours. For nearly two years, a radio telescope in remote Western Australia kept detecting the same rhythm, time and again, with […]

The physique of an individual suffering from chronic insomnia is, in a way, perpetually tense. Heart rate slightly elevated, thoughts unwilling to settle, muscles never fully relaxing, even at 3am when there is nothing occurring and nothing required. Sleep researchers refer to this constant state of readiness as hyperarousal. It now appears to be the […]

Take a shard of molybdenum oxychloride, place it on a silicon chip, and rotate it slowly under polarized light. At one specific angle, it shines back at you, vivid and yellowish, entirely metallic. Turn it ninety degrees and the gleam vanishes, replaced by the shimmering hues of a transparent film. Identical crystal, identical light, completely […]

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Inside a liver cell immersed in alcohol, an unusual swelling begins to occur. The mitochondria, usually a bustling array of small energy generators dividing and merging every moment, start to inflate. They unite into large forms, engorged spheres and elongated tubes that pathologists have recognized in alcoholic livers since the 1970s. They have been termed […]

The provided article examines a study regarding the effects of teachers’ emotions on student performance in classrooms focused on quadratic equations. This research, conducted by Marina Elena Pfeifer and her team, drew on data from the OECD’s Global Teaching InSights study, involving 679 math instructors and more than 17,500 students across eight nations. The findings […]

The surgical procedure is straightforward to grasp. A melanoma is excised, the margins inspected, and you’re sent home cancer-free, at least theoretically. Then comes the more challenging aspect, which is the waiting period. For individuals with high-risk melanoma, the concern was never solely the tumor that surgeons excised but the wayward cells that may have […]

Consume a Brazil nut, or a serving of tuna, and you simultaneously ingest a bit of selenium. The narrative that follows has traditionally centered on you: your intestinal wall absorbs the mineral, your cells incorporate it into protective enzymes, and your kidneys excrete the excess. Quite tidy. However, a team from Japan has recently demonstrated […]

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