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The Bob (aka AFNIman)

@bobcoxauthor.bsky.social
3.8K followers 1.2K following 1.4K posts

Retired NIH scientist. Caltech grad. Sci-fi author. Hiker: especially Nepal and the American Southwest. Happily married. Out of the blue DMs better be damn impressive.

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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 13/09/2026
Cool Bob selfie in Indiana.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 04/09/2026
More beasts in Yellowstone. Did not see bears or moose 😢
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 02/09/2026
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 28/08/2026
Shoshone petroglyph of an owl, in Wyoming.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 05/08/2026
My wife took this picture at a zoo. My caption would be "You want WHAT from me now?" You, of course, are free to invent your own captions.
Gorilla staring
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 01/03/2026
Brain rock encountered in the Grand Canyon, near Deer Creek.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 28/01/2026
In non-Trump news, we are touring Ha Long bay in Vietnam.
Fishing boat in Ha Long bay Vietnam 🇻🇳
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 21/01/2026
The grim visage of Skull Arch in Arches National Park. Actually a nice place to eat lunch as hardly anyone goes there.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 20/01/2026
This classical visage is ME, as rendered by MRI and AFNI. Obviously, I could have been a Roman Senator back in the Olden Days of which Gibbon wrote.
Black and white image of human head as scanned by MRI.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 13/01/2026
Although this looks like it might a brain fresco from olden days ... it was actually a water spot on the floor of a tunnel at the NIH. Overhead was a very slowly dripping pipe.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 04/11/2025
I've been gone from BSky for a while. A month hiking in the desert West, often completely out of cell range. For my penance, here's some pictures from our week long Grand Canyon hike. Including one of the true builders of the canyon: coxklosek.com/BobCoxAuthor...
Gosia at Elves ChasmGosia starting her rappelGrand Canyon Frog
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 16/08/2025
Today's crop of brow figs. Lots of eating to do. 4-1/4 pounds = 1.9 kg
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 03/08/2025
Some plant that I liked.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 06/07/2025
A sort of fireworks pic from yesterday. Processed a lot.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 19/06/2025
Some young babydoll sheep acquired by friends. Too cute for words.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 13/06/2025
We got our backcountry reservations for the Grand Canyon! Plus campground sites to bracket the hiking days. Next up - apply for the Wave lottery.
Wavy red and white striped sandstone on the Arizona-Utah border.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 29/05/2025
Also known as the TACO special.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 23/05/2025
A colt wandered through our campsite. It tried to take a bite of our firewood.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 21/05/2025
On the beach in the wind. Not many people around.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 27/04/2025
Now in Great Sand Dunes NP, Colorado.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 25/04/2025
Hiking in the Grand Canyon - the excitement never ends!
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 18/04/2025
Carrot cake at Lilo’s cafe in Seligman Arizona. Enough for 4 people. Happy Good Friday!!!
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 17/04/2025
Gosia pointing the way up.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 17/04/2025
Climbing a dryfall near Marble Canyon, Death Valley National Park. Didn’t see another person for 36 hours.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 03/04/2025
My final scientific talk, at the ISMRM workshop held in Annapolis. Yesterday (02 April 2025). No one threw rotten tomatoes, so all was good!
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 18/03/2025
Coxswain exclaiming "my work is done" to a rowing scull with a single oarsman and many empty seats. Coxswain is from "The Government's Director of Rowing Efficiency".
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 16/03/2025
Saw this not-huge not-ugly muskrat yesterday. Not all of them are our enemies. Elon Musk could be called Tree Stink, since that's what his name means. Or maybe Stinky Tree?
Muskrat sitting on a log in water
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 12/03/2025
My Rep, Jamie Raskin, posted that a court has ruled that DOGE must comply with the Privacy Act. And he posts an inquiry letter for any citizen to request all their personal records DOGE has copies of or control over. It must be signed and mailed in. Everyone should do this! There are 3 pages.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 02/03/2025
Is it just me, or does this pic of RFKjr look like his face has been replaced by a wax effigy? That can't be healthy. [Pic cropped from the Washington Post of this morning.]
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 25/02/2025
This is the first time I’ve gotten job recruitment flyers in the mail. We get offers to buy our house monthly. But jobs at Amazon and a grocery store? No thanks.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 24/02/2025
The AFNI blanket! A surprise gift from my former myrmidons. A truly heartening gesture. Thank you, guys.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 18/02/2025
Morning citrus.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 15/02/2025
An edited picture (using my own software) of a lake in Colorado. From October.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 10/02/2025
Slightly fuller version.
7 When he shall be judged, let him be condemned: and let his prayer become sin.
8 Let his days be few; and let another take his office.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 08/02/2025
Seen from the canal trail this morning.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 05/02/2025
Did I mention that this image shows the best math proof EVER?
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 02/02/2025
What one person who was formerly close to Elon thinks of him.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 17/01/2025
Fortunately, I'm not quite there ... yet.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 16/01/2025
Red fox in our backyard this morning. Get those squirrels! (Or rats, or chipmunks, or rabbits.)
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 13/01/2025
My first snowman (today) after I turned 70. I remember making a snowman back when I was 40 and a man walked by to say, “Aren’t you too old for that?” The answer is NO NO NO.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 11/01/2025
Orange slices for Gosia when she gets up after a late night.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 08/01/2025
Gosia made meringues! Tis the season for sugar!
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 03/01/2025
It’s Fuzzy Face!
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 01/01/2025
It's not exactly vast wealth pouring in. Yet.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 30/12/2024
Today I opened up the cab headliner in our Sprinter van and shoved a bunch of Thinsulate insulation up there (similar to the stuff used in some coats and comforters). Mostly for sound reduction, but should help with cold weather as well. Above the headliner was just bare metal.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 27/12/2024
Skull Arch in the same park.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 17/12/2024
Another hiking picture from Zion NP. The little white dot is our van. From the vantage point where I took this photo, we’re about 2/3 of the way back. Down down down.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 14/12/2024
From my last trip to Poland, 3 years ago. Just saw this scrolling thru my photo album.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 12/12/2024
Roof panel in the IM Pei building of the National Gallery of Art.
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The Bob (aka AFNIman) @bobcoxauthor.bsky.social · 11/12/2024
Jabba the Hutt petrified. How he ended up in the Utah desert is a mystery.
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