The portrait of George Washington on the one dollar bill is taken from the unfinished โPortrait from the Ateneumโ. In this painting, Washington is 65 years old.
It can be seen that the artist did not finish the portrait, but it is not known exactly why.
@science facts
It can be seen that the artist did not finish the portrait, but it is not known exactly why.
@science facts
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Common fact: The city cannot be developed without a water supply system. And, probably, New York would not have been New York, if at the beginning of the 19th century it had not started using tree trunks as a water pipe.
Workers took spruce, oak or yellow pine and drilled a hole right in the center of the trunks. The result - wooden pipes that tapered at each end, connected to an adjacent pipe, and pulled together with wrought iron clamps. Quite a simple system.
These wooden pipes became the first water pipe in the city and allowed residents to drink clean water and not catch any sores. But clean water = a prosperous city.
The cool thing here is that after a routine inspection in 2006, people found working wooden pipes that were still connected to the city's water mains.
#facts on @science ๐
Workers took spruce, oak or yellow pine and drilled a hole right in the center of the trunks. The result - wooden pipes that tapered at each end, connected to an adjacent pipe, and pulled together with wrought iron clamps. Quite a simple system.
These wooden pipes became the first water pipe in the city and allowed residents to drink clean water and not catch any sores. But clean water = a prosperous city.
The cool thing here is that after a routine inspection in 2006, people found working wooden pipes that were still connected to the city's water mains.
#facts on @science ๐
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ScienceAlert - Latest
The Moon Will Turn Red Tonight in a Stunning 'Flower Eclipse'. Here's How to Watch
โ @sciencetoall โ
The Moon Will Turn Red Tonight in a Stunning 'Flower Eclipse'. Here's How to Watch
โ @sciencetoall โ
ScienceAlert
The Moon Will Turn Red Tonight in a Stunning 'Flower Eclipse'. Here's How to Watch
The Moon is going to pass into the Earth's shadow today (May 16), turning fully red in some locations as the Sun's light is refracted around the Moon like a prism and shines onto the Moon's surface. So you won't want to miss the first of only two
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Scientists finding a new geometric shape that explains and shows how our skin cells pack and fit together.
As the epithelium of our skin grows and curves, the cells must adjust and take on new shapes to pack using as little energy as possible. They took not just a random form, but the form of a scutoid.
Well, these are building blocks like in Minecraft, only for our skin.
#facts on @science ๐
As the epithelium of our skin grows and curves, the cells must adjust and take on new shapes to pack using as little energy as possible. They took not just a random form, but the form of a scutoid.
Well, these are building blocks like in Minecraft, only for our skin.
#facts on @science ๐
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ScienceAlert - Latest
Scientists Just Measured a Mechanical Quantum System Without Destroying It
โ @sciencetoall โ
Scientists Just Measured a Mechanical Quantum System Without Destroying It
โ @sciencetoall โ
ScienceAlert
Scientists Just Measured a Mechanical Quantum System Without Destroying It
There's a key aspect of quantum computing you may not have thought about before. Called 'quantum non-โdemolition measurements', they refer to observing certain quantum states without destroying them in the process.
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ScienceAlert - Latest
Mind-Altering Parasite May Make Infected People More Attractive, Study Suggests
โ @sciencetoall โ
Mind-Altering Parasite May Make Infected People More Attractive, Study Suggests
โ @sciencetoall โ
ScienceAlert
Mind-Altering Parasite May Make Infected People More Attractive, Study Suggests
This is very weird.
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A steel razor blade can get dull surprisingly quickly when cutting something as soft as hair, and now researchers have gotten their first up-close look at how a close shave actually damages an everyday disposable razor.
This leading-edge research, described in the journal Science, used a scanning electron microscope to peer at a razor as it sliced through strands of hair.
This leading-edge research, described in the journal Science, used a scanning electron microscope to peer at a razor as it sliced through strands of hair.
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Forwarded from Daily Science to all
ScienceAlert - Latest
NASA Announces InSight Lander on Mars May Only Have a Few Months Left
โ @sciencetoall โ
NASA Announces InSight Lander on Mars May Only Have a Few Months Left
โ @sciencetoall โ
ScienceAlert
NASA Announces InSight Lander on Mars May Only Have a Few Months Left
The InSight Mars lander will cease science operations sometime in the next few months due to a decreasing power supply, mission managers said at a news conference on May 17.
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The shell of a turtle is more than just a cover, itโs a vital part of the animalโs skeleton that protects its organs. And although pet turtles are usually safe from the dangers that might crack it, wild ones arenโt so lucky. Fires, and especially cars often damage them, causing serious consequences. However, not every injury they inflict is fatal. With proper care, cracked turtle shells can be fixed, and one wildlife organization has come up with a genius way to do so. Recently, Wildthunder Wildlife & Animal Rehabilitation & Sanctuary took to Facebook, asking for discarded bra fasteners: โWe use them to mend our turtle shells!โ they wrote.
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Here is a hungry rotifer attacking and eating another protozoan unicellular organism.
Look how fast the first attack was. If anything, the video was filmed in real time, with a hundred times magnification.
@science
Look how fast the first attack was. If anything, the video was filmed in real time, with a hundred times magnification.
@science
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Forwarded from Daily Science to all
ScienceAlert - Latest
Researchers Just Found That Kidneys Act on Blood Differently Than We Thought Before
โ @sciencetoall โ
Researchers Just Found That Kidneys Act on Blood Differently Than We Thought Before
โ @sciencetoall โ
ScienceAlert
Researchers Just Found That Kidneys Act on Blood Differently Than We Thought Before
By this time tomorrow, every drop of blood in your body will have passed through your kidneys dozens of times. With each pass, water saturated with waste is removed to form urine, and freshly cleaned blood then returns back into circulation.
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Forwarded from Daily Science to all
There are predators in nature that do not attack when they are looked into the eyes. Therefore, some African tribes wear masks backwards to keep predators away. It looks creepy, yes. But the main thing is that it works.
In parts of India, people, going into the forest, also put on a mask in the form of a face on the back of their heads.
For this reason, to scare away, for example, mountain lions, you can try to put on a hat, on which believable toy eyes will be glued on the back.
In parts of India, people, going into the forest, also put on a mask in the form of a face on the back of their heads.
For this reason, to scare away, for example, mountain lions, you can try to put on a hat, on which believable toy eyes will be glued on the back.
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Forwarded from Daily Science to all
ScienceAlert - Latest
Why Your Body May Need to Shed Some Tears, Even if You Don't Feel Sad
โ @sciencetoall โ
Why Your Body May Need to Shed Some Tears, Even if You Don't Feel Sad
โ @sciencetoall โ
ScienceAlert
Why Your Body May Need to Shed Some Tears, Even if You Don't Feel Sad
It's been a big week and you feel exhausted, and suddenly you find yourself crying at a nice nappy commercial. Or maybe you are struck with a cold or the coronavirus and the fact your partner used up all the milk just makes you want to weep.
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ScienceAlert - Latest
Everything You Need to Know About Monkeypox, And Why It's Not a Cause For Fear
โ @sciencetoall โ
Everything You Need to Know About Monkeypox, And Why It's Not a Cause For Fear
โ @sciencetoall โ
ScienceAlert
Everything You Need to Know About Monkeypox, And Why It's Not a Cause For Fear
On 18 May 2022, Massachusetts health officials and the Centers for Disease Control and Prevention confirmed a single case of monkeypox in a patient who had recently traveled to Canada. Cases have also been reported in the United Kingdom and Europe.
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Mouse brain visualized by light sheet microscopy
Nature Methods (2022) doi: 10.1038/s41592-022-01468-5
Nature Methods (2022) doi: 10.1038/s41592-022-01468-5
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