Lending institutions have misrated more than $100 billion of commercial real estate debt in an increasingly popular segment of the market, mortgage veterans say, including at least a dozen deals that maintain the highest investment grade rating even though the borrowers are in default. The questionable ratings emerge in a part of the mortgage bond … Read more
This article was reviewed according to Science fact checked peer-reviewed publication trusted source proofread OK! by Ingrid Fadelli, Phys.org Schematic diagram of a topological photonic alloy. The red star indicates the position of the line source and the arrow indicates the direction of propagation of the chiral edge state. Credit: Qu et al. × close … Read more
Nearly 80 years after scientists at Oak Ridge National Laboratory discovered an extremely rare radioactive element called promethium, a team at the lab published a groundbreaking study on the subject that could “rewrite chemistry books,” according to ORNL. Research published in Nature on May 22 marks the first time scientists have discovered the element’s key … Read more
Unlock the Editor’s Digest for free Roula Khalaf, editor of the FT, selects her favorite stories in this weekly newsletter. The family office of Bridgewater Associates founder Ray Dalio has bought two multimillion-dollar “retail properties” in Singapore, as billionaires snap up heritage properties in the city-state. The Dalio Family Office, which announced its move to … Read more
Promethium is extremely rare: only about 0.5 kg occurs naturally in the Earth’s crust at any time. Conceptual art shows the rare earth element promethium in a vial surrounded by an organic ligand. Image credits: Jacqueline DeMink / Thomas Dyke / ORNL. Promethium, discovered in 1945 at Clinton Laboratories, is a lanthanide element with the … Read more