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| Wandering star disrupts stellar nursery Posted: 13 Jun 2022 04:34 PM PDT New study finds star-forming cloud's magnetic field is curiously twisted. Researchers believe a newborn star moved into another young star's stellar envelope to form a binary star system. The interloper shifted the cloud's dynamics, twisting its magnetic field. The new findings provide insight into binary star formation and how magnetic fields influence the earliest stages of developing stars. |
| Mastodon tusk chemical analysis reveals first evidence of one extinct animal's annual migration Posted: 13 Jun 2022 12:06 PM PDT Around 13,200 years ago, a roving male mastodon died in a bloody mating-season battle with a rival in what today is northeast Indiana, nearly 100 miles from his home territory, according to the first study to document the annual migration of an individual animal from an extinct species. |
| Simulations reveal hydrodynamics of planetary engulfment by expanding star Posted: 13 Jun 2022 11:07 AM PDT A new study using hydrodynamical simulations reveals the forces acting on a planet when it is swallowed by an expanding star. The results show that the interactions of a substellar body (a planet or brown dwarf) with the hot gas in the outer envelope of a sun-like star can lead to a range of outcomes depending on the size of the engulfed object and the stage of the star's evolution. The dynamics and possible outcomes of planetary engulfment are poorly understood, but it is thought to be a relatively common fate for planetary systems. |
| Rubbery camouflage skin exhibits smart and stretchy behaviors Posted: 13 Jun 2022 09:45 AM PDT The skin of cephalopods, such as octopuses, squids and cuttlefish, is stretchy and smart, contributing to these creatures' ability to sense and respond to their surroundings. Scientists have harnessed these properties to create an artificial skin that mimics both the elasticity and the neurologic functions of cephalopod skin, with potential applications for neurorobotics, skin prosthetics, artificial organs and more. |
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