Flipboard Science Desk<p>Why do our fingers wrinkle in water? It’s much deeper than skin.</p><p>From <span class="h-card" translate="no"><a href="https://flipboard.com/@PopularScience" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>PopularScience</span></a></span>: "A study of polio patients almost 90 years ago gave scientists their first big clue."</p><p><a href="https://flip.it/CZJj8r" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flip.it/CZJj8r</span><span class="invisible"></span></a></p><p><a href="https://flipboard.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://flipboard.social/tags/Dermatology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Dermatology</span></a> <a href="https://flipboard.social/tags/Humans" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Humans</span></a> <a href="https://flipboard.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a></p>