Lukas VFN 🇪🇺<p>Discovery suggests that <a href="https://scholar.social/tags/RedAlgae" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RedAlgae</span></a> use colors for inter-species communication <a href="https://phys.org/news/2025-05-discovery-red-algae-inter-species.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-05-discover</span><span class="invisible">y-red-algae-inter-species.html</span></a></p><p>"a certain kind of cells of red <a href="https://scholar.social/tags/algae" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>algae</span></a> contain bodies of tightly packed microspheres of a light-reflecting material. In the growth tips of the alga, these microspheres are all of the same size, which allows light of a single, blue color to be reflected... As the cells mature, the microspheres lose their uniform size, which causes light of all colors to be reflected, resulting in a whitish hue."</p>