To minimise that risk and ensure astronauts are performing at their best, a 24-hour “day” using Universal Coordinated Time (UTC) is simulated on the ISS. To mimic the Earth’s 24-hour light ...

Let us know! Delaware County’s largest day of nonprofit fundraising is set for an encore. The second annual 24-hour day of giving called Delco Gives Day is scheduled to begin May 8 and end May 9. “We ...