A strain of poliovirus that can sometimes cause paralysis has cropped up in the sewers of London and may be spreading among closely-linked individuals in the north and east regions of the city, the U.K. Health Security Agency (UKHSA) warned (opens in new tab) Wednesday (June 22).
In late 2021, operators of the European Space Agency's (ESA) Swarm constellation noticed something worrying: The satellites, which measure the magnetic field around Earth, started sinking toward the atmosphere at an unusually fast rate — up to 10 times faster than before. The change coincided with the onset of the new solar cycle, and experts think it might be the beginning of some difficult years for spacecraft orbiting our planet.
