Signs of second largest black hole in the Milky Way

Astronomers using the Nobeyama 45-m Radio Telescope have detected signs of an invisible black hole with a mass of 100 thousand times the mass of the Sun around the center of the Milky Way. The team assumes that this possible 'intermediate mass' black hole is a key to understanding the birth of the supermassive black holes located in the centers of galaxies.
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Researchers investigate how light behaves in curved space

To investigate the influence of gravity on the propagation of light, researchers usually have to examine astronomical length scales and huge masses. However, physicists have shown that there is another way. In a recent study, they find the answers to astronomical questions in the laboratory, shifting the focus to a previously underappreciated material property — surface curvature.
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Bone marrow lesions can help predict rapidly progressing joint disease

A new study shows lesions, which can best be seen on MRI scans, could help identify individuals who are more likely to suffer from more rapidly progressing osteoarthritis. Osteoarthritis is the most common type of arthritis in the UK and can cause the joints to become painful and stiff. Almost any joint can be affected, but it most often causes problems in the knees, hips, and small joints of the hands. It can progress at varying speeds.
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