NASA delayed a spacewalk today after among its astronauts struggled with a squeezed nerve while operating at the International Space Station

Expedition 65 trip designer Mike Vande Hei of NASA was arranged to take a 6.5-hour spacewalk with Akihiko Hoshide of the Japan Aerospace Expedition Company (JAXA) today (Aug. 24), yet NASA cancelled the spacewalk with much less than 24 hr’ notification on Monday (Aug. 23), mentioning a “minor medical issue involving Vande Hei.”