Category archives: Weekly Selection

MI weekly selection #165

MI weekly selection #165

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Noodle-, hazelnut-shaped plasma lenses may be hiding in Milky Way Scientists are learning more about the shape of mysterious plasma lenses, which seem to invisibly float around the Milky Way, detected through radio waves. Researchers were able to detect a lengthy lensing event that gave them an idea of the shapes of the lenses. Space.com […]

MI weekly selection #164

MI weekly selection #164

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Fish communicate to stay close to each other Fish use calls to stick together as a group, a new study suggests. Researchers played recordings of bigeye vocalizations for captive wild bigeyes, and noted that their own vocalizations increased and they swam more closely together than they did when no recordings were played. “This study means […]

Mi weekly selection #163

Mi weekly selection #163

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Ancient grooves may be evidence of dinosaur mating ritual Four sites found in Colorado exhibit fossilized grooves that may have been made by dinosaurs doing a bird-like mating dance more than 100 million years ago. Scientists say the gouges could have been made by theropods performing a mating ritual common to modern birds. The Washington […]

MI weekly selection #162

MI weekly selection #162

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Mystery of disappearing electrons may be solved A band of invisible meteor dust drifting to Earth may be behind the disappearance of electrons in the high atmosphere that’s had scientists baffled since the 1960s Electrons are produced high above Earth when the sun’s ultraviolet rays interact with atmospheric nitric oxide, but a big drop has […]

Mi weekly selection #160

Mi weekly selection #160

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Plesiosaurs swam ancient oceans like penguins Plesiosaurs swam much like penguins do, using their front flippers to propel themselves and their back ones to control their direction. How the ancient marine reptiles moved through water was unclear since its fossils were discovered about 200 years ago. Researchers developed a computer model based on a nearly […]

MI weekly selection #159

MI weekly selection #159

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Unfossilized dinosaur blood vessels discovered Blood vessels from an 80 million-year-old duck-billed dinosaur never fossilized and still hold tissue. The vessels are from the leg bone of a Brachylophosaurus canadensis found in Montana. To determine that the vessels were truly organic matter from the dinosaur and not bacteria, scientists used high-resolution mass spectroscopy and detected […]

MI weekly selection #158

MI weekly selection #158

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Universe isn’t a hologram, experiment determines A controversial experiment at the Fermi National Accelerator Laboratory has found no evidence supporting the theory that the universe is a giant hologram. The Holometer searched for a kind of holographic noise using interferometers, but nothing has been detected. Science Sonic tractor beam developed A tractor beam that lifts […]