According to the RNA world hypothesis, the first replicators (structures capable of reproduction) on Earth were RNA molecules capable of catalyzing their own reproduction without the help of protein enzymes. However, it was not clear how such a molecule could arise from precursors incapable of catalytic activity. It turns out that a ribozyme that can … Read more
Finnair launched regular flights between Tartu and Helsinki on Sunday. At 14.35, 34 air passengers arrived from Helsinki, who were accompanied to the airport lounge by folk dance performers from the Tarbatu ensemble. Accordion music and saxophone quartet The Big Band Theory set the mood. Passengers received lemonade and chocolate “Tartu 2024” as a gift. … Read more
Astronomers from the University of Victoria (Canada) and Yale University (USA) have discovered an ancient star system that is a satellite of the Milky Way, called Ursa Major III/UNIONS1 (abbreviated as UMa3/U1). The discovery is reported in the article, published in The Astrophysical Journal. The observations were made using the Keck Observatory telescope, the Canada-France-Hawaii … Read more
On Monday, March 25, several commemorative events will be held in memory of the victims of the deportation of March 25, 1949, the Riga City Council communications department told LETA. On Monday at 10 a.m. a minute of remembrance will take place at Shkirotava station. It will be attended by the youth choir “Balsis”, students … Read more
Pulsars are rotating neutron stars that, like lighthouses, emit beams of electromagnetic radiation. The fastest spinning pulsars with a spin period of less than 30 milliseconds are known as millisecond pulsars (MSPs). It is assumed that they form in binary systems, with the neutron star spinning up due to the accretion of matter from the … Read more
Scientists at Curtin University in Australia discovered rare dust left behind from a supernova explosion inside a meteorite. The discovery is reported in the article, published в The Astrophysical Journal. Researchers used a technique called atom probe tomography to analyze dust particles inside a sample of the ALH 77307 meteorite discovered in Antarctica. This carbonaceous … Read more
The stop “Maskavas Street 450” of bus routes 15, 18 and 31 has been renamed “Latgales Street 450” (Latgales iela 450) in both directions. The stop of trolleybus routes 4, 19 and 20 “Maskavas Street” in the direction from the center has been renamed to the stop “Lastādijas iela”. The stop for trolleybuses No. 15 … Read more
“And potatoes are generally unusable,” he adds. Regulatory regulations stipulate that the permissible deviation from the declared weight of a packaged product is 15 grams, emphasizes Sanita Gertmane, a representative of the Consumer Rights Protection Center. In the photo sent by a viewer, the weight of the potatoes differs much more, namely by 85 grams. … Read more