‘While bats can only sense the outer shapes and textures of their targets, dolphins can peer inside theirs. If a dolphin echolocates on you, it will perceive your lungs and your skeleton. It can likely sense shrapnel in war veterans and fetuses in pregnant women. It can pick out the air-filled swim bladders that allow fish, their main prey, to control their buoyancy.
It can almost certainly tell different species apart based on the shape of those air bladders. And it can tell if a fish has something weird inside it, like a metal hook. In Hawaii, false killer whales often pluck tuna off fishing lines, and “they’ll know where the hook is inside that fish,” Aude Pacini, who studies these animals, tells me. “They can ‘see’ things that you and I would never consider unless we had an X-ray machine or an MRI scanner.”
This penetrating perception is so unusual that scientists have barely begun to consider its implications. The beaked whales, for example, are odontocetes that look dolphin-esque on the outside—but on the inside, their skulls bear a strange assortment of crests, ridges, and bumps, many of which are only found in males.
Pavel Gol’din has suggested that these structures might be the equivalent of deer antlers—showy ornaments that are used to attract mates. Such ornaments would normally protrude from the body in a visible and conspicuous way, but that’s unnecessary for animals that are living medical scanners.’
Cetacean echolocation is one of those things that boggles your mind once you really start to think about the implications. They can see each others' hearts beating fast with fear or excitement. They can see if another dolphin is healthy, or pregnant; how the fetus is doing; if they have ingested debris. Their echolocation is also incredibly precise: a bottlenose dolphin could discriminate between cilinders differing in wall thickness by just 0.23 mm (0.009 inch) from 8 meters away!! And they certainly notice when something is off.
I'm not sure if I ever shared this story before here, but in Curacao, when I was allowed to assist in a guest interaction programme, there was suddenly consternation in the pool behind us. A guest had entered the water and the dolphins were going crazy, paying no heed to the trainers anymore. The lead trainer that was with me gave the dolphins to me to watch over while she went to help. When she came back she told me what had happened. The guest that had caused so much uproar had left the water again and was asked if he had done anything to upset the dolphins. He hadn't, and he couldn't imagine what was wrong... until he mentioned he had a pacemaker. The younger dolphins in the pool had never seen someone with a pacemaker before and apparently it rocked their world.
It was such a wild experience, and offered such a cool insight into how dolphins experience their world. I'll never forget it.
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Applications for the Roman NASA Social Are Now Open!
In this photo, NASA's James Webb Space Telescope is blasting off to space on an Ariane 5 rocket from French Guiana. On Aug. 30, NASA’s Nancy Grace Roman Space Telescope will launch from our Kennedy Space Center in Florida on a SpaceX Falcon Heavy rocket.
Calling all digital creators! Ever wanted to see a rocket launch up close? Here’s your chance! Social storytellers are invited to apply to attend the NASA social for the launch of our Nancy Grace Roman Space Telescope. This flagship mission will explore the universe's dark side, discover troves of strange new worlds, and much more.
Participants will:
Tour NASA’s Kennedy Space Center in Florida
Learn directly from astrophysics subject matter experts
Meet fellow digital creators and social media users
Spend time with members of NASA’s social media team
View the launch of the Nancy Grace Roman Space Telescope
Interested? The clock’s ticking! Applications close June 28 at 11:59 p.m. ET. Learn more about how to apply.
Make sure to follow us on Tumblr for your regular dose of space!
Beautiful fortification banding transitions from rich orange-red outer bands through white to soft purple-gray center with sharp, well-defined layers. The polished face shows excellent translucency while maintaining that classic fortress-wall pattern. Clean cut reveals the complex banding structure perfectly 🏰
"We will explore. We will build. We will build ships. We will visit again. We will construct science outposts. We will drive rovers. We will do radio astronomy. We will found companies. We will bolster industry. We will inspire. But ultimately, we will always choose Earth. We will always choose each other." —Christina Koch, Artemis II Mission Specialist
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We need to conquer space travel for the only reason that zero-g would allow for new never before seen pastries, you know how the top of the muffin is the best part? Well that is because it is exposed to air so it changes the chemistry, in normal earth gravity it is impossible to make a muffin that is all top part because it needs to be placed somewhere which would restrict air flow, however in zero g it would be possible to make a bubble out of muffin dough which gets optimal airflow and becomes an all-top part muffin... This is the dream...
Is it true that kangaroo can only move their legs at the same time, like they can’t move them independently leg humans or dogs do?
yes with an exception: when kangaroos are on land, they use their legs together for hopping, but when they swim, they alternate which leg is kicking just like humans and dogs do!
so they CAN, they just don't unless they think they need to.
This has not always been the case however! Australia used to have another group of kangaroos called the sthenurines, also known as "short-faced kangaroos" (skeleton A below). They were proportioned quite differently, with larger bodies and shorter legs, feet and tails:
They were so differently proportioned, and some species grew so large, than hopping like a modern kangaroo was probably physically impossible for them, so researchers have proposed that they walked bipedally instead!
Members of Sthenurinae – an ancient family of kangaroos that lived until 30,000 years ago - likely preferred walking to hopping.
There are multiple delightfully cursed reconstructions of this behaviour which makes them look more like a person running around pretending to be a dinosaur than anything else
Interestingly, there was a very recent study on these same giant sthenurines (as well as a bunch of other gigantic kangaroos like Protemnodon and Macropus titan) looking at various indicators of jumping abilities that found that they were in fact capable of hopping, even if they'd likely prefer to walk on two legs
Jones, M.E., Jones, K. & Nudds, R.L. Biomechanical limits of hopping in the hindlimbs of giant extinct kangaroos. Sci Rep 16, 1309 (2026). https://doi.org/10.1038/s41598-025-29939-7 (paper is open access!)
So they'd have been the opposite of modern kangaroos, prefering to walk by moving their legs independently but bounding with their legs synchronized if necessary like when a predator attacked.
Also Sthenurines kangaroos likely employed an almost human like walk with an upright trunk, using their long clawed forelimbs for grabbing at branches to feed on. They actually have a number of convergent traits with humans like a broad sacrum to support their vertical trunk, an enlarged femoral head for the same purpose, as well as enlarged muscles for balancing the body when supporting their weight on one leg at a time.
Janis CM, Buttrill K, Figueirido B. Locomotion in extinct giant kangaroos: were sthenurines hop-less monsters? PLoS One. 2014 Oct 15;9(10):e109888. doi: 10.1371/journal.pone.0109888. PMID: 25333823; PMCID: PMC4198187. (also open access!)
As the last post Involving ALL the formation stream pieces got too long to be comfortable for scrolling I have decided to start a new one this year! For new people a little recap:
The Formation streams are an ongoing series of live streams on my Twitch/YouTube channels where I draw every week one of these menageries portraying the flora and fauna of locality of geologic formation. The Discord community helps along and before you ask: no there are no prints of this and yes I would like to tun this into a book one day but no idea when and how.
Here a link post I kept expanding unto end of 2025 HERE
First piece of the year was the Elliot Formation from early Jurassic South Africa!
Adding the Agate Fossil Beds from the Miocene of Nebraska. A paradise for many bizarre ungulates.
Adding the Sulphur Mountain Formation, a Triassic refuge for the last Eugeneodonts, which overlapped here with thalattosaurs, very early ichthyosaurs and tons of fish!
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A huge blocklist of manually curated sites that contain AI generated imagery for uBlock Origin & uBlacklist. - laylavish/uBlockOrigin-HUGE-A
Install this blocklist using the instructions on the GitHub page. For Firefox, you will need to install uBlockOrigin for this. Google Chrome no longer allows the uBlockOrigin extension, so I'm assuming you're at least primarily a Firefox user - or about to be (see browser alternatives below).
For Google Chrome or mobile browsers, this will work with uBlacklist. See the GitHub page for full details on compatibility.
Remove AI Widgets:
If you go to your uBlockOrigin Filter lists page, you can select to filter out AI Widgets - this should completely remove the 'AI Mode' widget/button from your Google search page, in addition to the work done by the Huge AI Blocklist.
Using the uBlockOrigin Huge AI Blocklist filter has made my Google searches look like they used to, and gives me genuine search results.
Look at this. It's beautiful. It's informative. It's not a heap of burning trash bloated with fake information made up by a hallucinating chat bot.
We can go even further: return to the old school search results.
Now, the above results are great and should be free of generative AI junk, but some people would rather not see any of the summary widgets or 'people also ask' box at all. Fear not! You can remove all that by using the 'Web' mode in the Google search bar. Click the 'More' drop down menu and select 'Web'.
Huzzah! Incredible. It's like a functional search engine again.
You can make this the default Google search mode in Google Chrome using Method 1 from this page (https://allthings.how/how-to-turn-off-ai-mode-in-google-chrome/). Unfortunately, I don't know if there's a way to do this in Firefox too. This is why for the most part I still use DuckDuckGo (see below) as my default search engine, and only use Google to supplement my searches on the rare occasion I'm just missing something.
Remember, if you clear your cookies, your search engine preferences will reset, including any settings you enabled/disabled to avoid AI. This applies to DuckDuckGo as well; check your settings every time you clear your browser!
Extra filters (optional):
I've also added four filters (their order doesn't matter) to the My Filters page. Full disclosure: I'm not sure they still work, or may only work on Chrome, but I'm keeping them anyway, just in case.
From https://www.reddit.com/r/uBlockOrigin/comments/1i7kg83/comment/m8lllwr/: see which solution in the list works for you, it seems to be different for everybody.
From https://allthings.how/how-to-turn-off-ai-mode-in-google-chrome/:
www.google.com##.Beswgc
www.google.com##.olrp5b
www.google.com##.hdzaWe
Make sure you hit the apply changes button when you add filters.
Browser alternatives: escaping Google Chrome.
If you haven't jumped ship from Chrome yet, I'd recommend doing so. Sometimes Chrome outperforms Firefox for niche purposes or because a website doesn't bother to fully support non-Chrome browsers, but the days of Chrome being the superior browser are long gone — by about 10 years. If you're trying to escape Chromium browsers, beware that a lot of the popular Chrome alternatives are just Chrome in a different hat.
Firefox has been the most popular non-Chromium browser for years, and for good reason. However, the company running Mozilla Firefox has annoyed their users, me included, by refusing to take an anti- generative-ai stance, and even included AI features in the Mozilla Firefox browser. Most Firefox users specifically use it because they hate Google's enshittification and want a privacy-focused, clean browser that doesn't hog their RAM and CPU for no reason. So, you can imagine that Mozilla's attitude has pissed us all off recently. You can turn off the AI features in Firefox with the built-in settings, but the company has recently steered straight into the burning garbage heap by saying they want to make the browser based on AI.
Waterfox and LibreWolf:
There are really good alternatives based on Firefox (open-source) which are not affiliated with Mozilla (the company), if you don't like how it operates. Waterfox and LibreWolf are even more trimmed down and privacy-focused than Mozilla's Firefox, and don't use AI. Anti-ai statements: Waterfox and LibreWolf.
From this page: https://programming.dev/post/42546774
In short: LibreWolf is for those who want a “locked-down” fortress out of the box, while Waterfox is for those who want a privacy-conscious browser that still feels like a normal, convenient daily driver.
Choose LibreWolf if: You want the highest level of privacy without having to manually edit config files, and you don’t mind occasionally “fixing” a broken website or re-logging into accounts.
Choose Waterfox if: You want a privacy-respecting browser that supports Firefox Sync, has an Android counterpart, and handles streaming sites/logins without any extra friction (it supports WideWine out of the box, which lets you stream DRM protected content (netflix, hulu, disney, etc).
— [email protected]
I've heard good things about both of these browsers and will investigate them further to decide whether to personally switch from Mozilla Firefox.
DuckDuckGo:
I would also recommend installing the DuckDuckGo extension to your browsers and setting it to be your default search engine.
I've had DuckDuckGo installed on my browsers, Chrome or Firefox, for like 10 years now. It is a good search engine, it's unobtrusive, and blocks trackers, cookies, and does not save any data about you. I've also used it as my default mobile browser for years, along with Firefox mobile, which you can add the AI Blocklist to (see again the GitHub page). I haven't tried the DuckDuckGo desktop browser yet, but I imagine it works just fine like the mobile version. I think DuckDuckGo's browser is also Chromium-based, at least indirectly. I use Firefox with the DuckDuckGo extension so I can have a widely-supported, non-Chromium browser, but include all of DuckDuckGo's anti-tracking features.
Note: DuckDuckGo has included AI in its browser product, however you can opt-out of all AI features with the built-in settings and they will not push it on you like Google does. I hope they remove AI features entirely in the future, but for now I am comfortable with the barriers in place to keep AI out of my face. Firefox also has AI features like Chrome does, which you can turn off with the built-in settings.
There's also noai.duckduckgo search, an alternative version of its normal search engine which removes AI-generated images and turns off AI results/assists by default. Even though DuckDuckGo's inclusion of any AI features annoys me, its policy to make these features 100% optional builds trust with this browser/extension/search engine.
You can always use Google search if you need to, but with uBlockOrigin and the AI Blocklist filter added on, at least you shouldn't have AI-altered search results or the AI overview anymore.
Other browsers exist, probably:
There are certainly more non-Chromium alternatives out there, but Firefox, Waterfox, and LibreWolf are the top three recommended to me. That link to alternatives, plus this ComputerCity page are the best lists I could find in a brief search. If you google "non-Chromium browsers" you'll get a lot of mixed results which require a bit of digging to realise they're not really recommending you what you looked for at all.
I've heard about Ecosia over the years, and while I like the idea of a search engine that plants a tree for each query, I don't think that's actually what happens — at least, that's what they used to be reputed to do, but I believe that's an unsustainable business model which has likely changed. In 2026, Ecosia says it uses 100% of its profits for the planet and runs its search engine off clean energy. That's cool! It's still Chromium-based. And it also uses generative AI for chat bots, so I don't trust its principles on environmentalism. I need to do more reading on this to form a stronger opinion about it.
I hope this post has helped at least some of you have a better experience browsing the web and googling your questions.
The Huge AI Blocklist really has been an amazing tool to keep my internet life free and clear of a lot of generative AI rubbish. I'm not a tech expert by any stretch of the imagination, but I'm savvy enough to understand what genAI is and does, and that the more I learn about it, it's even worse than I thought. I truly hate it, and I hate the enshittification of all our experiences, even those as simple and innocent as googling "snow leopard" or "how to cook pasta" or "what is a phascogale" (go ahead and test your freshly-cleaned search engines out with that one hehe).
I'm personally a fan of Waterfox. I switched to Firefox in 2022 and away in February 2025, immediately upon the ToS rewrite. Experimented with alternatives. Vivaldi, Brave, and a couple Firefox forks were quickly dismissed due to AI or missing features. Librewolf was just a bit too inconvenient and didn't sync as well between my two Windows PCs and Android phone. Waterfox ended up being a great middle ground for me, between Firefox and Librewolf.
Waterfox has a marginally better privacy footprint via my testing in Cover Your Tracks. I have to log into websites more often than Firefox, but not every time like Librewolf. My Firefox account is usable on Waterfox (thus all of my bookmarks and extensions). I usually use Startpage as my search engine with the AI features turned off. Startpage isn't a default option but only takes a moment to add (guide here). Hate Mojeek, Ecosia, Qwant, DuckDuckGo is okay but adds news and previews to search results.
I have Waterfox on my phone, Steam Deck, and PCs. I use Brave on my iPad just for the ad blocking. Waterfox syncs great and I have very minimal user issues. At the moment the Android application can be a little buggy with letting me upload files so I switch to Firefox.
I'm moderately tech-savvy, I'll sacrifice some convenience for a less obstructive or intrusive experience but don't have the knowledge nor will to dive deep. Waterfox has been a good easy switch. The DeGoogle Wiki is a great starting resource to find alternatives for all of your electronic needs.
Thanks so much for the addition! Waterfox definitely sounds to me like a great alternative to Mozilla for most people who want to ditch Google Chrome but don't want to deal with the dogshit AI policies Mozilla has now. The Cover Your Tracks link is super helpful too, has really clear explanations for each digital fingerprinting metric.
For those wondering, I did end up installing Waterfox and it's literally just Mozilla Firefox, but less bullshit. 10/10 would recommend.
Haven't used it for long, obviously, but I've made a clean transition from Mozilla to Waterfox and it took maybe like, an hour? Because I like to dig through all my settings and fiddle with things to make sure it's all set up right. After the initial setup, it's good to go and I expect I won't need to touch it again soon.
If you're making the switch from Mozilla Firefox, it'll import and sync everything including the mobile browser straight from your Mozilla account, including history, bookmarks, settings, etc. You'll need to check and re-install your extensions and your uBlock Origin Huge AI Blocklist. Follow the prompts and you'll be fine. You could use the default adblocker from Waterfox, but if you install uBO, you'll have to choose one or the other so they don't conflict. Remember to re-select the AI Widgets filter under Annoyances for uBO! All the advice on this post applies the same to Waterfox as it did Firefox.
If you're on Google Chrome, skip Mozilla and just switch straight to Waterfox - you're doing the slightly tedious work of transferring to a new browser anyway, might as well make it the cleaner version.
It's pretty much identical and trims off the AI bullshit. I set my home page to the search, and removed all search engines except DuckDuckGo and the Waterfox default. If you wanna go a little extra, you can try LibreWolf but if you want "Firefox without the AI garbage shit" then just go for Waterfox and call it a day.
It's clean, it's easy, it has mobile versions you can continue to use extensions on just like you could with Mozilla Firefox. You can open YouTube on mobile, open the page's settings, set that page to your phone's home screen, and use that for watching videos on your phone without ads.
I'm not really saying anything new here but yeah, good browser is good. Have patience, sit down with it and do the transfer, you'll be fine.
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