Create accountLogin

Recent searches

No recent searches

Search options

Only available when logged in.
mastodon.gamedev.place is one of the many independent Mastodon servers you can use to participate in the fediverse.
Mastodon server focused on game development and related topics.

Administered by:

Server stats:

5.1K
active users

mastodon.gamedev.place: AboutProfiles directoryPrivacy policy

Mastodon: AboutGet the appKeyboard shortcutsView source codev4.3.8

#biosignature

0 posts0 participants0 posts today
IT News<p>Hackaday Links: April 20, 2025 - We appear to be edging ever closer to a solid statement of “We are not alone” in t... - <a href="https://hackaday.com/2025/04/20/hackaday-links-april-20-2025/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/04/20/hackad</span><span class="invisible">ay-links-april-20-2025/</span></a> <a href="https://schleuss.online/tags/vegetativeelectronmicroscopy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>vegetativeelectronmicroscopy</span></a> <a href="https://schleuss.online/tags/hackadaycolumns" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hackadaycolumns</span></a> <a href="https://schleuss.online/tags/scientificfraud" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scientificfraud</span></a> <a href="https://schleuss.online/tags/hackadaylinks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hackadaylinks</span></a> <a href="https://schleuss.online/tags/siliconvalley" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>siliconvalley</span></a> <a href="https://schleuss.online/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> <a href="https://schleuss.online/tags/antikythera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>antikythera</span></a> <a href="https://schleuss.online/tags/zuckerberg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zuckerberg</span></a> <a href="https://schleuss.online/tags/crosswalk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>crosswalk</span></a> <a href="https://schleuss.online/tags/deep" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>deep</span></a>-fake <a href="https://schleuss.online/tags/exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanet</span></a> <a href="https://schleuss.online/tags/jameswebb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jameswebb</span></a> <a href="https://schleuss.online/tags/citation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>citation</span></a> <a href="https://schleuss.online/tags/paloalto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paloalto</span></a> <a href="https://schleuss.online/tags/slider" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>slider</span></a> <a href="https://schleuss.online/tags/k2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>k2</span></a>-18b <a href="https://schleuss.online/tags/kepler" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>kepler</span></a> <a href="https://schleuss.online/tags/tooth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tooth</span></a> <a href="https://schleuss.online/tags/dmds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dmds</span></a> <a href="https://schleuss.online/tags/gear" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gear</span></a> <a href="https://schleuss.online/tags/jwst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jwst</span></a> <a href="https://schleuss.online/tags/musk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>musk</span></a> <a href="https://schleuss.online/tags/dms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dms</span></a></p>
Mikko Tuomi<p>Astronomers have detected the most promising signs yet of a possible <a href="https://scicomm.xyz/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> outside the solar system, although they remain cautious.</p><p>They have detected the chemical fingerprints of dimethyl sulfide and/or dimethyl disulfide, in the <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>atmosphere</span></a> of the <a href="https://scicomm.xyz/tags/exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanet</span></a> K2-18b, which orbits its star in the <a href="https://scicomm.xyz/tags/habitable" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>habitable</span></a> zone.</p><p>On Earth, theyare only produced by <a href="https://scicomm.xyz/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>life</span></a>, primarily microbial life such as marine phytoplankton.</p><p><a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://scicomm.xyz/tags/astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrobiology</span></a> <br><a href="https://www.cam.ac.uk/stories/strongest-hints-of-biological-activity" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cam.ac.uk/stories/strongest-hi</span><span class="invisible">nts-of-biological-activity</span></a></p>
Chris Harris<p>So far today, every news report I've read about <a href="https://mastodon.social/tags/exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanet</span></a> K2-18b has got its size and distance wrong, and has described the <a href="https://mastodon.social/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> chemicals DMS and DMDS as gases (on Earth, they're both colourless, flammable liquids). </p><p>It makes you wonder how accurate all the other stories on the news are... </p><p><a href="https://science.nasa.gov/exoplanet-catalog/k2-18-b/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">science.nasa.gov/exoplanet-cat</span><span class="invisible">alog/k2-18-b/</span></a></p>
Daniel Fischer<p>What if we Find Nothing? Bayesian Analysis of the Statistical Information of Null Results in Future Exoplanet Habitability and <a href="https://scicomm.xyz/tags/Biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Biosignature</span></a> Surveys: <a href="https://iopscience.iop.org/article/10.3847/1538-3881/adb96d" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">iopscience.iop.org/article/10.</span><span class="invisible">3847/1538-3881/adb96d</span></a> -&gt; What if we find nothing in our search for life beyond Earth? <a href="https://www.seti.org/press-release/what-if-we-find-nothing-our-search-life-beyond-earth" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">seti.org/press-release/what-if</span><span class="invisible">-we-find-nothing-our-search-life-beyond-earth</span></a> -&gt; In the search for life on exoplanets, finding nothing is something too: <a href="https://www.phys.ethz.ch/news-and-events/d-phys-news/2025/04/in-the-search-for-life-on-exoplanets-finding-nothing-is-something-too.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">phys.ethz.ch/news-and-events/d</span><span class="invisible">-phys-news/2025/04/in-the-search-for-life-on-exoplanets-finding-nothing-is-something-too.html</span></a> - what insights can be gained from a 'no life detected' scenario in future exoplanet surveys.</p>
Mikko Tuomi<p>The upcoming extremely large telescopes will provide the first opportunity to search for signs of <a href="https://scicomm.xyz/tags/habitability" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>habitability</span></a> and <a href="https://scicomm.xyz/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>life</span></a> on non-transiting <a href="https://scicomm.xyz/tags/terrestrial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>terrestrial</span></a> <a href="https://scicomm.xyz/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a>.</p><p>For the most accessible nearby target, <a href="https://scicomm.xyz/tags/Proxima" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Proxima</span></a> Centauri b, we may be able to rule out a sub-Neptune <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>atmosphere</span></a> in as little as a single hour of observing, and some <a href="https://scicomm.xyz/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> disequilibrium pairs may be accessible in 10&nbsp;hours.</p><p><a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://scicomm.xyz/tags/astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrobiology</span></a><br><a href="https://arxiv.org/abs/2503.08592" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2503.08592</span><span class="invisible"></span></a></p>
g/o/d/<p>TZ extended birthday wishes to SETI, offering a glimpse into their intriguing investigations<br>@1000003.bsky.social</p><p><a href="https://mastodon.social/tags/SETI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SETI</span></a> <br><a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a><br><a href="https://mastodon.social/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> <br><a href="https://mastodon.social/tags/tardigrade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tardigrade</span></a></p>
Raymond Francis<p>We discovered a potential <a href="https://mastodon.social/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> in <a href="https://mastodon.social/tags/Jezero" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Jezero</span></a>.</p><p>Tom speculated his name might be Mortimer. </p><p><a href="https://mastodon.social/tags/Bosnia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Bosnia</span></a> <a href="https://mastodon.social/tags/cats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cats</span></a></p>
Norobiik @Norobiik@noc.social<p>"We cannot say right now that we have discovered <a href="https://noc.social/tags/LifeOnMars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LifeOnMars</span></a>,” Katie Stack Morgan, the deputy project scientist, said. "But what we are saying is that we have a potential <a href="https://noc.social/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a>, which is a set of features that could have a biological origin but do need further study and more data.</p><p><a href="https://noc.social/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a>'s <a href="https://noc.social/tags/Perseverance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Perseverance</span></a> rover found a rock on <a href="https://noc.social/tags/Mars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mars</span></a> that could indicate <a href="https://noc.social/tags/AncientLife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AncientLife</span></a> <br><a href="https://www.msn.com/en-us/news/technology/nasas-perseverance-rover-found-a-rock-on-mars-that-could-indicate-ancient-life/ar-BB1qGCi4" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">msn.com/en-us/news/technology/</span><span class="invisible">nasas-perseverance-rover-found-a-rock-on-mars-that-could-indicate-ancient-life/ar-BB1qGCi4</span></a></p>
IT News<p>Hackaday Links: May 12, 2024 - Don’t pack your bags for the trip to exoplanet K2-18b quite yet — it turns out tha... - <a href="https://hackaday.com/2024/05/12/hackaday-links-may-12-2024/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2024/05/12/hackad</span><span class="invisible">ay-links-may-12-2024/</span></a> <a href="https://schleuss.online/tags/launchcontrolcenter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>launchcontrolcenter</span></a> <a href="https://schleuss.online/tags/fuzzybunnyslippers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fuzzybunnyslippers</span></a> <a href="https://schleuss.online/tags/semiconductorfab" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>semiconductorfab</span></a> <a href="https://schleuss.online/tags/hackadaycolumns" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hackadaycolumns</span></a> <a href="https://schleuss.online/tags/dimethylsulfide" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dimethylsulfide</span></a> <a href="https://schleuss.online/tags/hackadaylinks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hackadaylinks</span></a> <a href="https://schleuss.online/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> <a href="https://schleuss.online/tags/bluetooth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bluetooth</span></a> <a href="https://schleuss.online/tags/exoplante" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplante</span></a> <a href="https://schleuss.online/tags/minuteman" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>minuteman</span></a> <a href="https://schleuss.online/tags/satellite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>satellite</span></a> <a href="https://schleuss.online/tags/fortran" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fortran</span></a> <a href="https://schleuss.online/tags/slider" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>slider</span></a> <a href="https://schleuss.online/tags/k2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>k2</span></a>-18b <a href="https://schleuss.online/tags/survey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>survey</span></a> <a href="https://schleuss.online/tags/icbm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>icbm</span></a></p>
Mikko Tuomi<p>Chemical disequilibrium quantified using the available free energy has previously been proposed as a potential <a href="https://scicomm.xyz/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a>.</p><p>Atmospheric retrieval coupled with thermodynamical modelling can help assess the detectability of chemical disequilibrium signatures of Earth-like <a href="https://scicomm.xyz/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a>.</p><p>Such approaches could yield the first biosignature detections in <a href="https://scicomm.xyz/tags/exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanet</span></a> atmospheres.</p><p><a href="https://scicomm.xyz/tags/astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrobiology</span></a> <a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a><br><a href="https://www.nature.com/articles/s41550-023-02145-z" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/articles/s41550-023</span><span class="invisible">-02145-z</span></a></p>
Mikko Tuomi<p>We are inching closer and closer to reliably detecting <a href="https://scicomm.xyz/tags/biosignatures" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignatures</span></a> on distant <a href="https://scicomm.xyz/tags/planets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planets</span></a>.</p><p>Much of the focus is on determining which chemicals indicate <a href="https://scicomm.xyz/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>life</span></a>'s presence.</p><p>But life can also create free energy in a system, and excess energy can create chemical disequilibrium. That's what happened on Earth when life got going.</p><p>Could chemical disequilibrium be a <a href="https://scicomm.xyz/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a>?</p><p><a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://scicomm.xyz/tags/astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrobiology</span></a> <a href="https://scicomm.xyz/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a><br><a href="https://phys.org/news/2023-11-life-easiest-planets-earlier-earth.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2023-11-life-eas</span><span class="invisible">iest-planets-earlier-earth.html</span></a></p><p>Paper by Young et al. (2023):<br><a href="https://arxiv.org/abs/2311.06083" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2311.06083</span><span class="invisible"></span></a></p>
Matt Willemsen<p>Mid-Phanerozoic Exoplanets Might Be Easier to Detect than Modern Earth<br>In a new study, astronomers modeled the atmospheric composition and transmission spectra of five stages in Earth’s Phanerozoic Eon. Two key biosignature pairs — oxygen and methane, and ozone and methane — appeared stronger in models of Earth roughly 100 million to 300 million years ago, when oxygen levels were significantly higher.<br><a href="https://www.sci.news/astronomy/mid-phanerozoic-exoplanets-12417.html" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sci.news/astronomy/mid-phanero</span><span class="invisible">zoic-exoplanets-12417.html</span></a> <a href="https://fedibird.com/tags/MidPhanerozoic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MidPhanerozoic</span></a> <a href="https://fedibird.com/tags/Exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanets</span></a> <a href="https://fedibird.com/tags/Detection" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Detection</span></a> <a href="https://fedibird.com/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> <a href="https://fedibird.com/tags/oxygen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oxygen</span></a> <a href="https://fedibird.com/tags/methane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>methane</span></a> <a href="https://fedibird.com/tags/ozone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ozone</span></a></p>
ExploreLive feeds
About