However, the BMA says many resident doctors have large student loans and that interest on these is calculated using a different inflation measure called RPI, which is higher.
Helium is used to pressurize tanks and help push fuel into the engines. Without proper helium flow, the rocket cannot safely fly. Because the upper stage is hard to reach at the launchpad, NASA rolled the stacked rocket back into the Vehicle Assembly Building, the sky-scraping hangar where it was originally put together.
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Nature, Published online: 25 February 2026; doi:10.1038/s41586-025-10064-4