Technology

In blue, human ACE2 protein and in gray, coronavirus spike protein. It depicts how two proteins interact in a lock-and-key mechanism that allows a virus to enter a cell and mimic its own protein-making machinery. Credit: Javier Delgado Ducks, rats, mice, pigs and chickens were less or less likely to …

Biden praised Austin Stein for “the moment we need that guy,” and other retired Forstar generals praised the “brilliant choice,” but critics ask whether the former commander-in-chief has the political will to fight the military budget cut. They are discussing Instein’s suitability for a role on the world stage and …

To visualize the history of life, showing the influence of new evolutionary events, a new chapter applies machine learning to the fossil record. This demonstrates the long-term evolution and ecological effects of large-scale extinction and extinction phenomena. Colors show the physical period in green, from yellow to 1 billion years …

Image: To visualize the history of life, showing the influence of new evolutionary events, a new chapter applies machine learning to the fossil record. This … shows the long-term evolution and ecological effects of the scenario More Credit: J. Hoyle Kuthil and Ann. Gutenberg. Charles Darwin’s landmark, On the origin …

Richard Newsed | Moment | Getty Images The EU has announced a comprehensive new transport plan aimed at reducing carbon emissions over the next three decades and focusing on mer tire technologies such as drones and hydrogen aircraft. The European Commission, the EU’s executive arm, unveiled its “sustainable and smart …