geographile<p>“In <a href="https://sfba.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> it often happens that scientists say, ‘You know that’s a really good <a href="https://sfba.social/tags/argument" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>argument</span></a>; my position is mistaken,’ and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn’t happen as often as it should, because scientists are <a href="https://sfba.social/tags/human" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>human</span></a> and <a href="https://sfba.social/tags/change" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>change</span></a> is sometimes painful.” - Carl <a href="https://sfba.social/tags/Sagan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sagan</span></a></p>