Kate :verigold:<p>[Ewing et al.] Narwhal acoustic presence in Eclipse Sound, Nunavut: relationships with sea ice and responses to ships <a href="https://www.nature.com/articles/s41598-025-04032-1" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/articles/s41598-025</span><span class="invisible">-04032-1</span></a> 🐋 <a href="https://mstdn.social/tags/Cetaceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cetaceans</span></a> <a href="https://mstdn.social/tags/MarineMammals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineMammals</span></a> <a href="https://mstdn.social/tags/MarineLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineLife</span></a> <a href="https://mstdn.social/tags/MarineBiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineBiology</span></a> <a href="https://mstdn.social/tags/Whales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Whales</span></a> <a href="https://mstdn.social/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://mstdn.social/tags/Narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Narwhals</span></a></p>
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#narwhals
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Francois Dion<p>Anybody using the narwhals <a href="https://mastodon.online/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>python</span></a> package for <a href="https://mastodon.online/tags/dataframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dataframe</span></a> manipulations?</p><p>Very comfortable with <a href="https://mastodon.online/tags/pandas" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pandas</span></a> and <a href="https://mastodon.online/tags/polars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>polars</span></a> syntax, but although <a href="https://mastodon.online/tags/narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>narwhals</span></a> is supposed to be very close to polars, it is a subset and I find that there is a lot of basic stuff missing. Trying to figure out how to get the first part of a str.split.</p><p>in pandas I just add .str[0] and in polars .list.get(0)</p><p>with narwhals neither approaches are implemented. Any idea as what is supported in narwhals to do this?<br><a href="https://mastodon.online/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a></p>
Benjamin Carr, Ph.D. 👨🏻💻🧬<p><a href="https://hachyderm.io/tags/Videos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Videos</span></a> Show <a href="https://hachyderm.io/tags/Narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Narwhals</span></a> Using Their Tusks to Play With Their Food<br>Researchers observed surprising behaviors by the <a href="https://hachyderm.io/tags/whales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>whales</span></a> in <a href="https://hachyderm.io/tags/Canada" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Canada</span></a>'s <a href="https://hachyderm.io/tags/Arctic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Arctic</span></a>.<br>Narwhals chased arctic char but did not, strangely, try to catch and eat it. The whales even slowed down when necessary to keep the fish just off the tip of their tusks. When they did interact with the fish, they used gentle taps or nudges — a stark difference to when they were observed hunting fish.<br><a href="https://www.nytimes.com/2025/03/12/science/narwhals-tusks-video.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nytimes.com/2025/03/12/science</span><span class="invisible">/narwhals-tusks-video.html</span></a><br><a href="https://archive.ph/tU1fS" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">archive.ph/tU1fS</span><span class="invisible"></span></a></p>
Flipboard Science Desk<p>Narwhals may use their iconic tusks to play.</p><p>Science News reports on research showing "the Arctic whales poked and prodded a fish that isn't usually a part of their diet."</p><p><a href="https://flip.it/GM..Nj" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flip.it/GM..Nj</span><span class="invisible"></span></a></p><p><a href="https://flipboard.social/tags/Narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Narwhals</span></a> <a href="https://flipboard.social/tags/Animals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Animals</span></a> <a href="https://flipboard.social/tags/Whale" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Whale</span></a> <a href="https://flipboard.social/tags/Ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ocean</span></a> <a href="https://flipboard.social/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a></p>
michael<p>Drone captures <a href="https://mastodon.social/tags/narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>narwhals</span></a> using their <a href="https://mastodon.social/tags/tusks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tusks</span></a> to explore, forage and play</p><p><a href="https://phys.org/news/2025-02-drone-captures-narwhals-tusks-explore.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-02-drone-ca</span><span class="invisible">ptures-narwhals-tusks-explore.html</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/ecology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ecology</span></a> <a href="https://mastodon.social/tags/MarineBiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineBiology</span></a> <a href="https://mastodon.social/tags/cetaceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cetaceans</span></a></p>
Kate :verigold:<p>Drone captures narwhals using their tusks to explore, forage and play <a href="https://phys.org/news/2025-02-drone-captures-narwhals-tusks-explore.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-02-drone-ca</span><span class="invisible">ptures-narwhals-tusks-explore.html</span></a> 🐋 <a href="https://mstdn.social/tags/Cetaceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cetaceans</span></a> <a href="https://mstdn.social/tags/MarineMammals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineMammals</span></a> <a href="https://mstdn.social/tags/MarineLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineLife</span></a> <a href="https://mstdn.social/tags/MarineBiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineBiology</span></a> <a href="https://mstdn.social/tags/Whales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Whales</span></a> <a href="https://mstdn.social/tags/Narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Narwhals</span></a></p>
Lukas VFN 🇪🇺<p>Drone captures <a href="https://scholar.social/tags/narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>narwhals</span></a> using their tusks to explore, forage and play <a href="https://phys.org/news/2025-02-drone-captures-narwhals-tusks-explore.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-02-drone-ca</span><span class="invisible">ptures-narwhals-tusks-explore.html</span></a> paper: <a href="https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1518605/full" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">frontiersin.org/journals/marin</span><span class="invisible">e-science/articles/10.3389/fmars.2025.1518605/full</span></a></p><p>"It is believed to play a role in competition for mates. The tusk may have other uses and its function is still debated, primarily because few people have observed how these elusive <a href="https://scholar.social/tags/animals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>animals</span></a> use their tusks in the wild... Using <a href="https://scholar.social/tags/drones" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>drones</span></a>, researchers captured 17 distinct behaviors, which shed light on the dynamics between the <a href="https://scholar.social/tags/narwhal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>narwhal</span></a>, its prey and avian competitors."</p>
Ruth Mottram<p>I am incredibly fortunate to work with Malene Simon Hegelund from the <a href="https://fediscience.org/tags/Greenland" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Greenland</span></a> natural resources institute, today she is presenting work from <a href="https://fediscience.org/tags/BlueAction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueAction</span></a> and other projects on the reliance of <a href="https://fediscience.org/tags/narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>narwhals</span></a> on <a href="https://fediscience.org/tags/ice" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ice</span></a> 🌊⚒️ including a spectacular recording of their sound</p>
Flipboard<p>Every kid we know is currently obsessed with narwhals (we blame the unicorns) but if they really want to know about these one-toothed sea creatures, they need to speak to Martin Nweeia. A dentist by day, he has taken more than 20 trips to the Arctic to log Indigenous knowledge about the tusk, discover what exactly it’s made of, and what it’s for. <span class="h-card" translate="no"><a href="https://mstdn.science/@KnowableMag" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>KnowableMag</span></a></span> interviewed him.</p><p><a href="https://knowablemagazine.org/content/article/living-world/2024/life-of-the-narwhal-martin-nweeia" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">knowablemagazine.org/content/a</span><span class="invisible">rticle/living-world/2024/life-of-the-narwhal-martin-nweeia</span></a></p><p><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/Nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nature</span></a> <a href="https://flipboard.social/tags/Zoology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Zoology</span></a> <a href="https://flipboard.social/tags/MarineBiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineBiology</span></a> <a href="https://flipboard.social/tags/Narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Narwhals</span></a> <a href="https://flipboard.social/tags/Newstodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Newstodon</span></a> <a href="https://flipboard.social/tags/NewstodonFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NewstodonFriday</span></a> <a href="https://flipboard.social/tags/FollowFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FollowFriday</span></a></p>
Lukas VFN 🇪🇺<p>Clues for the <a href="https://scholar.social/tags/evolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>evolution</span></a> of <a href="https://scholar.social/tags/menopause" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>menopause</span></a> in whales — and humans?<br><a href="https://www.npr.org/2024/03/22/1198909539/menopause-humans-whales-evolution" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">npr.org/2024/03/22/1198909539/</span><span class="invisible">menopause-humans-whales-evolution</span></a></p><p>The evolution of menopause in <a href="https://scholar.social/tags/ToothedWhales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ToothedWhales</span></a> <a href="https://www.nature.com/articles/s41586-024-07159-9" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/articles/s41586-024</span><span class="invisible">-07159-9</span></a> </p><p>"menopause is something of an evolutionary blip. We are one of the few <a href="https://scholar.social/tags/animals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>animals</span></a> to experience it... There are five species of toothed <a href="https://scholar.social/tags/whales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>whales</span></a> that undergo menopause — short-finned <a href="https://scholar.social/tags/PilotWhales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PilotWhales</span></a>, <a href="https://scholar.social/tags/FalseKillerWhales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FalseKillerWhales</span></a>, <a href="https://scholar.social/tags/KillerWhales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KillerWhales</span></a>, <a href="https://scholar.social/tags/narwhals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>narwhals</span></a> and <a href="https://scholar.social/tags/belugas" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>belugas</span></a> — making it the type of animal that is known to have evolved menopause most frequently."</p>
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