Astronomy Which Path Provides the Fastest Way To Circle the Central Black Hole? (Astronomy) 24 Jan 202130 Jan 2021 Black-hole spacetimes are known to possess closed light rings. Shahar Hod and colleagues using compact theorem in their present work revealed that these unique null circular geodesics provide the fastest…
Neuroscience Memorize While You Sleep (Neuroscience) 24 Jan 202124 Jan 2021 People think that the purpose of sleep is to rest the brain. But there is clear evidence that the brain is still busily at work during sleep, even when the…
Psychology What to Say to Make the Most Memorable First Impression? (Psychology) 24 Jan 202124 Jan 2021 Many people remember the words of others long after they met, even if they only met once. Words evoke emotion, which creates memories—for better or for worse. Positive memories of…
Astronomy Is it Possible To Obtain Cosmic Acceleration From Nothing, But Matter? (Astronomy) 24 Jan 202124 Jan 2021 Summary: ◉ Recai Erdem and colleagues check the possibility of cosmic accelerated expansion by considering a case where matter is converted to radiation (or vice versa by particle physics processes).…
Astronomy A Challenge to Models of Star-formation Truncation in Massive Galaxies (Astronomy) 24 Jan 202124 Jan 2021 The physical processes which suppress the growth of the stellar population in massive galaxies are not clear, although there is considerable agreement about the idea that the feedback winds from…
Archaeology Blue and Lonesome – The Rarity of Blue Antelopes in Museum Collections (Archeology) 24 Jan 202124 Jan 2021 Genetic research has shown that far fewer specimens of the blue antelope exist in museum collections than previously thought. An international team of scientist led by the Museum für Naturkunde…
Astronomy Massive Stellar Triples Leading to Sequential Binary Black Hole Mergers in the Field (Astronomy) 24 Jan 202124 Jan 2021 The merger of two black holes in a binary system emits energy that can be detected on Earth by gravitational-wave observatories. The LIGO Scientific Collaboration and the VIRGO Collaboration have…
