Flipboard Science Desk<p>Two cosmonauts onboard the International Space Station recently experienced a spacewalk they may never forget. While examining the site of a leak, they encountered a “blob” of deadly ammonia coolant. Futurism has more, including what forced one cosmonaut to disconnect his tether that attached him to the station. <a href="https://flip.it/5Q_ot3" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flip.it/5Q_ot3</span><span class="invisible"></span></a><br><a href="https://flipboard.social/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://flipboard.social/tags/Space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Space</span></a> <a href="https://flipboard.social/tags/SpaceExploration" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceExploration</span></a> <a href="https://flipboard.social/tags/ISS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ISS</span></a> <a href="https://flipboard.social/tags/InternationalSpaceStation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InternationalSpaceStation</span></a> <a href="https://flipboard.social/tags/Cosmonauts" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cosmonauts</span></a></p>