Instead, it should show how _wide_ it is. And for extra coolness, keep it in frame, coiling longer and longer as you go, and eventually have the same strand, which has been with us all the time, as a specific example (e.g. human chromosome 7 or some such) by _length_
http://famousredwoods.com/hyperion/
Nevermind!
If you are looking at the ladybird (ladybug) with the amoeba to the left, the amoeba isn't an order of the magnitude smaller - it would actually be visible by the human eye (bigger than a grain of sand)? Indeed, the amoeba seems the same size as the ladybird's foot?
Similarly, this makes the bumblebee appear smaller than a human finger (the in the adjacent picture), which isn't the case?
Only the next row above it, with Pelomyxa, is indeed an amoeba and one that is very frequently encountered and which usually has sizes not much less than 1 millimeter and sometimes it can reach a size of a few mm.
The true amoebas are much more closely related to humans, than to xenophyophores (giant marine unicellular living beings) or to plants.
Besides the true amoebas there are also a few other kinds of unicellular eukaryotes with shape-shifting cells, e.g. foraminifera, radiolarians and others, but already in the first half of the 19th century it was recognized that those other groups change their shapes in a different way than the amoebas, so they were classified separately, even if the term "amoeboid cell" has always been used about any cell with variable shape.
The true amoebas are related to the group formed by animals and fungi, and there are some amoebas that have a simple form of multicellularity, so it is likely that some of the mechanisms needed for the evolution of multicellularity have been inherited from a common ancestor of animals, fungi and amoebae.
The multicellular or multinucleate amoebae that belong to Myxomycetes (one of the kinds of slime moulds) can reach much bigger sizes, e.g. a diameter of up to 1 meter, because they do not have the size limitation that exists for simple unicellular eukaryotes.
"Megaphragma mymaripenne is a microscopically sized wasp. At 200 μm in length, it is the third-smallest extant insect, comparable in size to single-celled organisms. It has a highly reduced nervous system, containing only 7400 neurons, several orders of magnitude fewer than in larger insects."
Most tardigrades are not much bigger than 100 micrometers.
Tardigrades, together with nematodes, rotifers, mites and a few more rarely encountered groups are among the smallest animals and they are smaller than many of the bigger among the unicellular eukaryotes. That is why they have been discovered only after the invention of the microscope.
The tardigrades have evolved towards smaller and smaller sizes very early, already during the Cambrian. It is interesting that they are segmented animals, like their relatives the arthropods and the velvet worms, but they have very few segments, because in order to achieve such a small size they have lost all intermediate segments, so the segments that now form their body were originally the segments of the head, and now they are followed immediately by the original segments of the tail, without the original body that connected the head to the tail. Thus they have been miniaturized by losing their body and becoming a walking head (the legs of the tardigrades are what in arthropods have become appendages of the mouth, e.g. mandibles and maxillae).
He previously did a game "Infinite Craft" which leveraged Llama models. However, I was only able to find an outdated blog from 2019.
Definitely worthy the scroll!
This is an interesting fact.
https://en.wikipedia.org/wiki/Eunice_aphroditois
Thankfully they don't live on land.
So it was not a dangerous predator, though it could have been poisonous, like many modern millipedes.
He argues that human perception of animal size is skewed because humans use themselves as a benchmark.
He takes a logarithmic approach to illustrate where humans actually fit within the overall scale of the animal kingdom. We are way larger than we think we are!
The authors deserve our support. Buy them a coffee via the provided link.
Thank you for sharing this on HN.
If it helps, AFAIK (I do atomic force microscopy of DNA), DNA's height is closer to 2nm than 4.
It reminded me of Operation Neptune (1991): each level starts with just one channel, probably percussion, and as you progress through the rooms it adds and removes more channels or sometimes switches to a different section of music. It is unfortunately all sharp cuts, no attempts at smoothing or timing instrument entry and exit. A couple of samples: https://www.youtube.com/watch?v=S0LNaatyoQk is an hour of gameplay revelling in “the dynamic and sometimes beautiful music of Operation Neptune” using a Roland MT-32 MIDI synthesiser; and https://www.youtube.com/watch?v=wPxEdQ4wx9s&list=PL3FC048B13... is the PCM files used on some platforms (if you want to compare that track with the MT-32, it starts at 28 minutes).
"females typically stand 115 cm (45 in) tall and weigh around 37 kg (82 lb), while adult males stand 137 cm (54 in) tall and weigh 75 kg (165 lb). The tallest orangutan recorded was a 180 cm (71 in)."
That's much shorter than the human at 1.7m or 5'7". From just those numbers, you might think that a human would weigh more than a grizzly or take one in a fight: But when a bear stands on its hind legs, it's 2.4m/8' tall and can be 800 lbs, I'd have put a grizzly way further to the right.
absolutely foul
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hartator•1h ago