Warning: Do NOT read any of these facts before bed tonight.
Science has given us some pretty incredible discoveries. Over time, we've grown to understand more about the universe, cure diseases, and explain countless mysteries about world around us.
But on the other hand, it's also shown us some pretty terrifying things... , people are sharing the scientific facts that are equal parts fascinating and deeply unsettling. And while some of these discoveries have made headlines, some of them fly completely under the radar. Let's just say, don't read any of these before bed:"Your brain is completely capable of inventing sounds, voices, memories, and even confidence levels…and you usually trust all of them automatically.
Human perception is way less 'recording reality' and way more 'best guess survival mode.
'""I remember reading a theory that human consciousness is more or less a byproduct of our brains processing all the daily sensory input in order to survive. " "For certain surgeries, we cool your body temperature down from 37°C/98°F to around 18°C/65°F and stop blood flow completely for sometimes over an hour. Once the part that needed no blood is done, we restart blood flow and slowly rewarm the body back to normal, and it's like nothing ever happened.
" "Tattoos only work because our immune systems are trying to protect us from the ink free floating in our blood stream, so it sends cells that just trap the ink there as best they can. Slowly, particles of the ink will rearrange within or escape through their barriers, which is why tattoos fade and/or get fuzzy over time.
Also sunburns can cause tattoos to fade because it forces the body to send extra immune cells and fluids to the area, which breaks down or washes away ink particles at a faster rate. Not necessarily super scary outside of thinking about how our bodies are trying to protect us and we're just like: 'Ooooh pretty!
' and doing it anyways LOL. ""Do you know how I know this? Both large tattoos I got made me feel like I had the flu for 2 days after. Genuinely like the flu.
I have a hyper active immune system anyway but it was only after getting these did I realize how much tattoos hammer our immune system!
""Every fossil we have likely represents only less than 1% of every species that lived on Earth. Most species are completely lost to time with no proof they even existed.
""Yep, I heard some people talk about, there could have existed MASSIVE animals like jellyfish and we'd never know about them because they don't leave fossil evidence behind. " "One of, if not the most problematic consequence of air pollution is not long-term climate change . A higher concentration of CO2 and CO in the atmosphere, as well as higher temperatures, is slowly turning the oceans more acidic.
We're a few pH points away from oceans becoming too acidic to be hospitable for countless sea creatures, but most notable of all, various phytoplankton and algae. That is to say, we are obliterating the habitat of the creatures that generate approximately 70% of the Earth's oxygen supply. My only hope is that they adapt or evolve fast enough.
""I wrote a paper on this in college in like 2009, so it's always nice to be reminded we've done literally nothing to address this in that timeframe. ""Ever heard of rogue planets? They are planets that are zooming around the Milky Way independent of a star system. It's hard to get an accurate number due to the random nature, but they have an estimate: in the Milky Way alone, rogue planets outnumber the stars 7 to 1.
What's even more wild, rogue planets weren't discovered until the year 2000. Not only are they hard to track and study, we've only been recording data about them for a little over 25 years.
""Prions are essentially zombie proteins. They aren't alive. They are just misfolded proteins that, when they bump into healthy proteins in your brain, force them to misfold too. They can survive extreme heat, radiation, formaldehyde, and standard autoclaving .
If a hospital performs brain surgery on someone who is later discovered to have had Creutzfeldt-Jakob disease , they often have to completely throw away and incinerate the entire set of surgical instruments. The tools simply cannot be reliably sanitized. And to make it worse, you can contract a prion disease and it can sit completely dormant in your brain for decades.
You feel fine, you live your life, and then one day it activates, rapidly turning your brain tissue into a literal sponge. Once symptoms show up, the fatality rate is 100%, usually within a few months. There is no treatment, no vaccine, and no cure.
" "The big anticipated west coast USA earthquake isn't LA but Seattle. There's a major fault that runs right through the city and kicks off every few hundred years or so. The last one was in the 1700s. The Japanese have records of that and earlier because the tsunamis were powerful enough to hit them.
The next one will basically break off a huge part of the Washington coastline and Seattle. If you go Googling, you'll find the dhs paper written about it 10-20 years back.
""The other scary part is that we aren't prepared. Japan was very prepared in 2011 and lost 20 thousand people. We will lose hundreds of thousands if not more. Barely any of the buildings on the west coast are earthquake rated, Japan is almost entirely earthquake rated.
They deal with earthquakes and tsunamis often, we don’t.
""Sometimes, if you sneeze hard, you'll pop a hole in the tube that carries your cerebrospinal fluid down your spine. You get a spinal headache, like you can get after an epidural or spinal draw, except nobody poked a hole in your spinal fluid system with a needle, you just sneezed and tore a hole. This can happen at any time. Your spinal fluid will be leaking out of the hole into your body and you won't know.
You'll get debilitating headaches from standing or sitting up because your brain isn't floating on enough fluid, but they'll go away if you lie down. It takes forever to diagnose and then most of the time they'll just wait to see if it heals on its own. .
Any sneeze, anytime. The human body is so broken.
" "In the unlikely event that we're in a 'false vacuum,' at any time a 'real vacuum' could spontaneously form somewhere in the universe and begin expanding at the speed of light until it reaches us and everything would end instantaneously. No warning, no time to even realize what's happening, just *poof*.
" "Oranges are dying from a bacteria infection and we can't feasibly stop it. Because of this, orange production in the U.S. is down 90%.
""The only reason malaria isn't endemic in the USA anymore is mosquito control. Not any new drugs or anything like that. We used to have summer malaria epidemics all the way up into the New England states, AS WELL AS Yellow Fever, which is a hemorrhagic fever like Lassa and Ebola. The thing keeping them out is mosquito control.
Which relies on all of us. I look at the empathy and social responsibility displayed everywhere and don't feel particularly optimistic about malaria not becoming endemic again within my lifetime in the USA.
" "It would take you about two hours to walk out of our breathable atmosphere if you could walk straight up. ""What a weird thought, but yeah. 35000ft in a plane seems so far, but it's like a 2-3 hour walk at a casual pace. ""It's the same thing in the opposite direction too. You could 'walk' down to the Mariana Trench in those 2-3 hours.
Or just less than seven miles, so just less than seven minutes of driving on the highway.
" "We can't do a true study on how nano and microplastics impact the human body because it is impossible to find a control group. Microplastics are found in literally everything, they are in the brain, placenta, breast milk, the atmosphere, glacial ice, sediment deep deep down. They are one of the most invasive things we have ever seen.
""I worked with someone who was on this project when it happened. At first they thought it was something minor changed with the manufacture process so went to other sites to see what was changed. They all were horrified to realize too late that micro crystals were being carried into each side on the scientists clothes and form converting every batch.
""Locked-In Syndrome is caused by severe damage to the brainstem . This leaves patients fully conscious, aware, and able to feel pain, but completely paralyzed. They lose the ability to move any muscle except their eyes. These people are essentially trapped inside their own mind.
😵💫": 'If these trends continue, blood bicarbonate values could be at the limit of the accepted healthy range in half a century, and Ca and P will be at the limit of their healthy ranges by the end of this century. Studies indicate that, after this time, elevated atmospheric carbon dioxide, leading to CO2 accumulation in the body, has the potential to cause a range of adverse health effects.
These findings highlight the urgent need for significant reductions in anthropogenic CO2 emissions to safeguard public health. Nightmare fuel!
"Now it's your turn: what's a scary science fact that you think more people should know about? Share it in the comments below, or use the anonymous form if you'd rather keep your existential dread private.
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