rsa4046

6 ms·

1.
by rsa4046 2mo ago
Some still do: it's called a gastrovascular cavity, and is present in marine invertebrates such as Cnidaria (jellyfish, coral polyps, anemones), Ctenophores (comb jellies); Platyhelminthes (flatworms, tapeworms).
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by rsa4046 3mo ago
Yes, oral exams, content created in plain sight, project-based activities, all of these can provide a true appraisal of student understanding. But these approaches, although highly rewarding for both student and teacher, are extremely time-
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by rsa4046 3mo ago
After retiring at 65 from a university teaching and research science career (all pre-AI), I went back to teaching, but this time teaching high school science, mostly AP STEM courses at an A-ranked public high school. The cheating/AI pr
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by rsa4046 2y ago
I was born in Beantown and remember the site before construction (“Scollay Square”) as being pretty seedy and a place to avoid (still least for an eight year old). The new City Hall and Government Center were a huge improvement, and occurre
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by rsa4046 2y ago
This can't be said often enough. We have two right wing parties in the US. That's it.
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by rsa4046 2y ago
Great link, thank you.
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by rsa4046 2y ago
> Quite sure that is the schools job. At least where I live the schools tend to assume several of the rights and responsibilities that normally fall on the parents. Yes. The school is responsible for their safety and whereabouts. US K-12
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by rsa4046 3y ago
> KDE connect is my goto for sharing between phone and computer. Ditto. KDE connect is flawless, one of the best features.
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by rsa4046 3y ago
My experience is that Word (and Office products in general) have worsened over decades, favoring and indulging the least adroit user to maximize their user base, cloying the product with showy gimmicks of marginal utility or worse, whose pr
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by rsa4046 3y ago
> For example, Nature is so kind as to accept final submissions in latex, but they'll convert it to Word. So it's completely pointless. There is large gulf between submitting a paper (typically limited to a few journal pages) t
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by rsa4046 3y ago
Really glad to see this work and result. My PhD dissertation 25 years ago (pub cited in group's Science paper) focused on laboratory synthesis of dolomite at lower temperatures (less than hydrothermal), but since then focused on virtua
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by rsa4046 3y ago
Thanks for an excellent product. I'm a long term paid subscriber, and very happy with Bitwarden :-)
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by rsa4046 3y ago
Great, uplifting story, thanks for including it.
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by rsa4046 3y ago
The chemical composition of the world ocean reflects the balance of inputs from the continents (as described, from riverine input as well groundwater), atmospheric cycling, and outputs: extraction via evaporite minerals in marginal environm
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by rsa4046 3y ago
I couldn't bear to use Windows without `Everything`. It's the only way to reliably find _anything_.
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by rsa4046 4y ago
> For example, I strongly suspect that if any real accountability and real restitution had followed in the wake of something like the 2008 financial crisis, we'd see a lot less radicalization today. Very much agree with this — an op
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by rsa4046 4y ago
“I'd buy that for a dollar!”
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by rsa4046 4y ago
I bought and installed a Sommer Evo+ (German made), after Chamberlain, Craftsman products crapped out prematurely. So far, so good (7 years), extremely quiet; slow, but well put together.
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by rsa4046 4y ago
I'm glad you got a good one. I didn't (Zenfone 5z), and after their customer ‘service’, have sworn off ASUS for good. https://www.reddit.com/r/zenfone/comments/ollaq6/i_will_neve...
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by rsa4046 4y ago
Great book, well ahead of its time.
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by rsa4046 4y ago
Or, “Well, think me up a cup of coffee and a chocolate doughnut with some of those little sprinkles on top ...”
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by rsa4046 4y ago
Inspired! Still grinning, thank you.
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by rsa4046 5y ago
I drove a cab in Boston in the 70's (yes, I'm probably older than most here). The work was hard, tedious, dangerous, and uneven in terms of income: some nights you'd make out ok, others barely enough to break even. But dealin
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by rsa4046 5y ago
I agree (academic research scientist, geosciences, now semi-retired). The current system is utterly unsustainable. Many outside academia are unaware how much universities rely on federal funding of indirect costs, and although the overhead
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by rsa4046 5y ago
David Graeber has argued persuasively that there is little real anthropological evidence to support the notion that money arose from the ‘inefficiency of barter’. [1—3] 1. https://theanarchistlibrary.org/library/david-g
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by rsa4046 5y ago
This. As a recently retired academic research scientist (i.e., still ‘working’, but no longer in the lab, and no longer paid LOL), this can't be emphasized enough. Most scientists are highly specialized: experts in their local area of
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by rsa4046 5y ago
Thanks for this link, WSJ is always paywalled.
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by rsa4046 5y ago
Sorry, typo: fairly inaccurate
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by rsa4046 5y ago
"This means that concrete structures, for all their stone-like superficial qualities, are actually made of the skeletons of sea creatures ground up with rock. It takes millions upon millions of years for these sea creatures to live, di
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by rsa4046 5y ago
English subtitles are included. Found this history quite amazing.

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