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Jason Hessels appointed professor of Observational High-Energy Astrophysics, in particular Radio Astronomy

University of Amsterdam Dr Jason Hessels has been appointed professor of Observational High-Energy Astrophysics, in particular Radio Astronomy at the Faculty of Science at the University of Amsterdam (UvA). Jason Hessels (Photo: ASTRON) Hessels’ research focuses on using large radio telescopes to explore the astrophysics of some of the most energetic objects and phenomena in the Universe. Astronomical observations conducted using radio waves and radio telescopes (Radio Astronomy) play a critical role in the study of transient astrophysical phenomena (short-lived and often extremely energetic astrophysical events). Thanks to cutting-edge radio telescopes like the Low-Frequency Array (LOFAR), the field of radio astronomy has entered a new golden age in which the exploration of transient radio phenomena is a key scientific driver. Also called Time Domain Astronomy, the study of how astronomical sources change in brightness – sometimes within milliseconds or less – is a powerful

Embryonic tissue undergoes phase transition

Loading video. VIDEO: A time-lapse movie of the zebrafish embryo with an overlaid rigidity network based on rigidity percolation theory. The abrupt reduction in the size of the biggest rigid cluster (purple) marks. view more  Credit: © Nicoletta Petridou, Bernat Corominas-Murtra, IST Austria When scientists at the Institute of Science and Technology (IST) Austria looked at developing zebrafish embryos, they observed an abrupt and dramatic change: within just a few minutes, the solid-like embryonic tissue becomes fluid-like. What could cause this change and, what is its role in the further development of the embryo? In a multidisciplinary study published in the journal

Universal prosodic cues facilitate learning in both animals and humans

Credit: UPF Prosody is a branch of linguistics that analyses and formally represents the elements of oral expression such as pitch, tones and intonation. A study published in Cognition on 5 February shows that there are universal prosodic cues that help with learning in humans and in animals. This study, published by Juan Manuel Toro, ICREA research professor and Paola Crespo-Bojorque, researchers of the Center for Brain and Cognition (CBC) of the UPF Department of Information and Communication Technologies (DTIC), is part of the research into language evolution that is being conducted thanks to a European Research Council Starting Grant. Some of the mechanisms we humans use to learn language are based on general principles we inherited from other species

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