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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mathstodon.xyz/users/johncarlosbaez/statuses/110526933196073409">John Carlos Baez (johncarlosbaez@mathstodon.xyz)'s status on Monday, 12-Jun-2023 11:30:31 JST</a><a href="https://mathstodon.xyz/@johncarlosbaez" title="johncarlosbaez@mathstodon.xyz"><img src="https://gnusocial.jp/avatar/83718-48-20230101212054.webp" width="48" height="48" alt="John Carlos Baez" style="position: absolute; left: 0; top: 0;">John Carlos Baez</a><div><a href="https://mathstodon.xyz/@johncarlosbaez/110526918200003796" rel="in-reply-to">in reply to</a><ul><li></ul></div></section><article><p>Here's a colony of Venus' Flower Basket sponges in their natural glory.  Glass sponges may be the longest-lived animals on earth, with lifespans of up to 15,000 years.</p><p>Details here:</p><p><a href="https://wyss.harvard.edu/news/glass-sponges-hold-internal-secrets-to-structural-strength/" rel="nofollow noreferrer">https://wyss.harvard.edu/news/glass-sponges-hold-internal-secrets-to-structural-strength/</a></p><p><a href="https://en.wikipedia.org/wiki/Hexactinellid" rel="nofollow noreferrer">https://en.wikipedia.org/wiki/Hexactinellid</a></p><p>and thanks to <a href="https://mathstodon.xyz/@dpiponi">@dpiponi</a> for telling us about glass sponges!  </p><p>(3/3)</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/1645275#notice-3237041">In conversation</a><time datetime="2023-06-12T11:30:31+09:00" title="Monday, 12-Jun-2023 11:30:31 JST">Monday, 12-Jun-2023 11:30:31 JST</time> <span>from <span><a href="https://mathstodon.xyz/@johncarlosbaez/110526933196073409" rel="external" title="Sent from mathstodon.xyz via ActivityPub">mathstodon.xyz</a></span></span><a href="https://mathstodon.xyz/@johncarlosbaez/110526933196073409">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/1125045"> A spectacular group of Venus flower basket glass sponges (Euplectella aspergillum) glass sponges with a squat lobster in the middle.https://commons.wikimedia.org/wiki/File:Euplectella_aspergillum_Okeanos.jpg</a></label><br><a href="https://media.mathstodon.xyz/media_attachments/files/110/526/922/059/450/978/original/c3df63d621b81b00.jpg" rel="external">https://media.mathstodon.xyz/media_attachments/files/110/526/922/059/450/978/original/c3df63d621b81b00.jpg</a></li></ol></footer></blockquote>

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John Carlos Baez (johncarlosbaez@mathstodon.xyz)'s status on Monday, 12-Jun-2023 11:30:31 JSTJohn Carlos Baez
in reply to
- Dan Piponi
Here's a colony of Venus' Flower Basket sponges in their natural glory. Glass sponges may be the longest-lived animals on earth, with lifespans of up to 15,000 years.
Details here:
https://wyss.harvard.edu/news/glass-sponges-hold-internal-secrets-to-structural-strength/
https://en.wikipedia.org/wiki/Hexactinellid
and thanks to @dpiponi for telling us about glass sponges!
(3/3)
In conversationMonday, 12-Jun-2023 11:30:31 JST from mathstodon.xyzpermalink
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1. A spectacular group of Venus flower basket glass sponges (Euplectella aspergillum) glass sponges with a squat lobster in the middle. https://commons.wikimedia.org/wiki/File:Euplectella_aspergillum_Okeanos.jpg
  https://media.mathstodon.xyz/media_attachments/files/110/526/922/059/450/978/original/c3df63d621b81b00.jpg

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