amazing science/nature images

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DEyncourt
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Post by DEyncourt »

juice wrote: Mon May 31, 2021 7:58 pm

Impressive. Is that copper?

My guess--considering the mildly acidic environment inside the human mouth--that copper is NOT likely. It would be like having a older copper penny in your mouth all the time.

More probable is gold mixed with something to give it strength, at most 14 karats in purity.

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i assumed it was gold

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Tasmanian giant crab

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Post by Pithecanthropus »

And of course they used a spacey sounding synth voice. Let's hear the same thing done on distorted electric guitar. Or drums.

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viewing map of this week's eclipse

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Image

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Elephant gets a prosthetic leg

https://imgur.com/Ld4JIHt

Video has the music from Titanic, for some reason. It sounds sad. They should have chosen something more happy sounding.

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Post by DEyncourt »

Technically it ain't an image, but this version of Scientific American's 60 Second Science had some nice audio images.

To be sure, the podcast begins a 30 second commercial, but do yourself a favor and listen. While the link includes a transcript of the podcast, that doesn't fully convey the enthusiam of researcher Bray (for whom I would WANT to be a very good puppy).

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Post by ukimalefu »

Llamas at the beach (or maybe it's alpacas? I can never tell the difference)

MUTE the sound, it's just loud wind noise.

https://va.media.tumblr.com/tumblr_qu99 ... yk4k9o.mp4

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Post by DEyncourt »

Russian scientists revive a bdelloid rotifer which had been frozen inside permafrost for about 24 K years:

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"Hey, look: it is able to eat and reproduce normally and...just a second...." <SIGNAL LOST>

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Video drone catches a herd of 15 elephants napping.

In Chinese with English subtitles.

Authorities in Yunnan province in southwestern China have been tracking this herd. The drone over the sleeping elephants was stationed at over a thousand feet in order to not disturb them.

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Post by TOS »

that's really sweet

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jupiter's moon ganymede, as imaged by the juno mission

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Image

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DEyncourt wrote: Tue Jun 08, 2021 2:45 pm

Video drone catches a herd of 15 elephants napping.

In Chinese with English subtitles.

Authorities in Yunnan province in southwestern China have been tracking this herd. The drone over the sleeping elephants was stationed at over a thousand feet in order to not disturb them.

Interesting. I thought they were like horses and sleep standing up.

And Proteus brought the upright beast into the garden and chained him to a tree and the children did make sport of him.
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Post by DEyncourt »

Séamas wrote: Wed Jun 09, 2021 12:39 pm
DEyncourt wrote: Tue Jun 08, 2021 2:45 pm

Video drone catches a herd of 15 elephants napping.

In Chinese with English subtitles.

Authorities in Yunnan province in southwestern China have been tracking this herd. The drone over the sleeping elephants was stationed at over a thousand feet in order to not disturb them.

Interesting. I thought they were like horses and sleep standing up.

Me too.

PERHAPS these elephants--who live in human-infested areas--have learned that they could go to the trouble of lying down because they mostly (entirely?) lack active predators (well, except for humans), unlike their brethren living further south in Asia or in Africa.

Maybe elephants in zoos lie down? Or probably they can hear/smell/see nearby predators so they don't take the chance.

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Post by Séamas »

DEyncourt wrote: Thu Jun 10, 2021 11:31 am
Séamas wrote: Wed Jun 09, 2021 12:39 pm
DEyncourt wrote: Tue Jun 08, 2021 2:45 pm

Video drone catches a herd of 15 elephants napping.

In Chinese with English subtitles.

Authorities in Yunnan province in southwestern China have been tracking this herd. The drone over the sleeping elephants was stationed at over a thousand feet in order to not disturb them.

Interesting. I thought they were like horses and sleep standing up.

Me too.

PERHAPS these elephants--who live in human-infested areas--have learned that they could go to the trouble of lying down because they mostly (entirely?) lack active predators (well, except for humans), unlike their brethren living further south in Asia or in Africa.

Maybe elephants in zoos lie down? Or probably they can hear/smell/see nearby predators so they don't take the chance.

Looking it up I see that horses do lay down to get REM sleep, but they only need a short time of it--and one of the herd will stand lookout.
I suspect elephants can do some sleeping standing as well, but likely need to lay down to get some good REM type sleep.
I've seen a rhino at the Bronx zoo sleeping laying down.
Best part: before getting up it made a huge fart--which disturbed the hay-dust on the ground so it looked like a big fart cloud.

And Proteus brought the upright beast into the garden and chained him to a tree and the children did make sport of him.
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Post by DEyncourt »

Heh.

Long ago I had taken some of my sister's friends from Germany to the San Diego Zoo (they specifically wanted to go there). There we got to see a hippo standing inside his enclosure. He lifted his tail nearly straight up and let out a massive fart which we could hear THEN smell only seconds later (we might have happened to be downwind). It was...unpleasant.

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Post by justine »

Image

This landed on my hand yesterday. It startled me and it flew to the gate. I was able to grab my phone and take a few pics. I don't know if i'm more amazed at the dragonfly or that i actually took a great pic.

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Post by ukimalefu »

it's a very good pic

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Post by Aaron_R »

justine wrote: Thu Jun 10, 2021 1:20 pm

Image

This landed on my hand yesterday. It startled me and it flew to the gate. I was able to grab my phone and take a few pics. I don't know if i'm more amazed at the dragonfly or that i actually took a great pic.

Good call, what you've got their is a 12 spotted skimmer. Also for the future references the easiest way to tell if it is indeed a dragonfly is to look at the wings. If the wings are like in your photo it is a dragon fly, if the wings are folded up against another it is not a dragon fly but a damsel fly.

I think most adults can tell just by the size of the insect alone (damsel fly being dwarfs in comparison). The above is a useful thing to tell your younger children if you go out for a hike and you see them flying around. It's a teachable moment and every time they see one they will likely chime in with much excitement if it is one or not. ;)

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DEyncourt
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Post by DEyncourt »

justine, you may check with your local science museum and see if they want a copy of your pic (which is EXCELLENT).

There is a recently started local (around LA) project where our equivalent museums are asking for such pics of local flora and fauna.

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Image

Glass Fracturing At 5 Million Frames Per Second

And the cracks still look fast

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This color-enhanced picture, originally taken by NASA’s Magellan spacecraft, shows part of Alpha Regio, a tessera on Venus. Tesserae are extremely distressed areas of terrain that may be the oldest regions of the Venusian surface, having survived a period of extreme volcanic activity that re-surfaced the rest of the planet. DAVINCI+, one of NASA’s two new Discovery-class missions to Venus, will study Alpha Regio to test the hypothesis that the tessera plateaus are analogs of Earth’s continents, one of the many intriguing questions this pair of missions will seek to answer. Image credit: NASA/JPL.

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Perseverance Mars Rover’s Mastcam-Z View of 'Van Zyl Overlook' (360 video + audio)

You can drag to look around. In full screen only, use the mouse wheel to zoom in and out (that's for a desktop browser, Chrome in my case)

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Johnny 5 is alive!, I mean, here's Perseverance.

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DEyncourt
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"A Lobster Diver In Cape Cod Says A Humpback Whale Scooped Him Up And Spat Him Out".

Video tweet of a short statement that diver gave after being released from hospital.

"ACK! What was that thing that I swallowed??? PTOOEEE!"

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