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#studyblr biology
ipitara-studyblr · 2 years
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08.05.22🤍
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marinebioblr · 3 months
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Close encounters!
My beautiful koi betta Bisby has had a jumping spider neighbor taking advantage of her tank light to hunt bugs under for some time, and recently they met face to face! Very happy to capture each of them acknowledging the other - and Bisby's quick look back at me as if to say "you're seeing this too right?!" 🧡
Edit ✨️ For all those concerned, yes, she does have a lid! I'd just cleaned and was hanging out right there where I filmed from at my office desk. If you are new to fish keeping, please invest in a good lid or when picking setups, favor tank kits that include one!
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lifebuoyjournals · 1 year
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New animals just dropped. E.g.
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EDIT: for similar articles you may wish to browse the tag #aslzoology they won't all be of cute animals but it will be mostly environment or nature related news
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OKAY THIS ARTICLE IS SO COOL
I'm going to try to explain this in a comprehensible way, because honestly it's wild to wrap your head around even for me, who has a degree in chemistry. But bear with me.
Okay, so. Solids, right? They are rigid enough to hold their shape, but aside from that they are quite variable. Some solids are hard, others are soft, some are brittle or rubbery or malleable. So what determines these qualities? And what creates the rigid structure that makes a solid a solid? Most people would tell you that it depends on the atoms that make up the solid, and the bonds between those atoms. Rubber is flexible because of the polymers it's made of, steel is strong because of the metallic bonds between its atoms. And this applies to all solids. Or so everybody thought.
A paper published in the journal Nature has discovered that biological materials such as wood, fungi, cotton, hair, and anything else that can respond to the humidity in the environment may be composed of a new class of matter dubbed "hydration solids". That's because the rigidity and solidness of the materials doesn't actually come from the atoms and bonds, but from the water molecules hanging out in between.
So basically, try to imagine a hydration solid as a bunch of balloons taped together to form a giant cube, with the actual balloon part representing the atoms and bonds of the material, and the air filling the balloons as the water in the pores of the solid. What makes this "solid" cube shaped? It's not because of the rubber at all, but the air inside. If you took out all the air from inside the balloons, the structure wouldn't be able to hold its shape.
Ozger Sahin, one of the paper's authors, said
"When we take a walk in the woods, we think of the trees and plants around us as typical solids. This research shows that we should really think of those trees and plants as towers of water holding sugars and proteins in place. It's really water's world."
And the great thing about this discovery (and one of the reasons to support its validity) is that thinking about hydration solids this way makes the math so so so much easier. Before this, if you wanted to calculate how water interacts with organic matter, you would need advanced computer simulations. Now, there are simple equations that you can do in your head. Being able to calculate a material's properties using basic physics principles is a really big deal, because so far we have only been able to do that with gasses (PV=nRT anyone?). Expanding that to a group that encompasses 50-90% of the biological world around us is huge.
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stemstudyblog · 3 months
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tbt to January this year, when I still learned Swedish! Maybe I have the time to take the B2 course next semester
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loudemic · 1 year
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i have been enjoying writing my notes on paper again. my eyes really dislike spending so much time staring at a screen.
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skwpr · 8 months
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Incredibly Healthy Habits For Students
The most commonplace advice on good habits for students. This crucial component of a healthy relationship is not to be overlooked.
1. Don’t over-stuff your backpack.
Unless a professor tells the class to bring a textbook – keep that thing at home/in your dorm. Also, try not to carry too much with you anyway. At most I have a spiral or two, my computer. It’s not only unnecessary, but it’s heavy. It wears you down over time just adding stress and annoyance that you don’t need.
2. Work out every week.
Finding time to run a mile or two, play some basketball, or lift weights is important. It was a huge stress reliever for me and it also made me happier.
3. Stop Putting Things Off.
You know you should be finishing homework instead of going out every night. The crazy thing is, we ALL KNOW what we should be doing. But a lot of us still don’t get anything done. I’m in awe of the number of times I have put off studying or reading. However, every time I come to the simple conclusion that getting it done in the beginning is waaaaaay easier than trying to finish the task later.
4. Socialize.
Involvement in college is a spectrum. One extreme includes hobbits who stay in their dorm or apartment all day and the other includes social butterflies who are out on the town every night having fun with friends. Your goal is to find a happy medium. You don’t want to be closed off but you also want to interact with people every once in a while.
For me, this was the hardest part. I do not like to make acquaintances, but for myself I decided that it would be useful. I stepped out of my comfort zone.
5. Eat Healthier.
This is the most predictable advice I can give you. What you put in your body matters.
6. Drink more water.
Drinking water is one of the most essential healthy habits for students.
7. Know When To Say NO.
If you get your work done first, you will have time to have fun without any grief or regrets.
The most important relationship you make in your life is with yourself. It’s genuinely all a mind game. You have to learn to trust yourself by putting yourself first so that you can enjoy what life has to offer you. Having fun with this grey cloud of regret and worry about work you haven’t finished is just not fun at all. So have fun and be yourself but learn when to say NO. You’ll be forever grateful you did in the long run.
8. Give Yourself Grace.
One of the biggest downfalls for me was stressing out. Stressing over school work, time management, boys, networking, and the list goes on. It’s important to shut all the negative voices out.
There’s only one you so treat yourself with respect. If there are things you need to fix, make a plan and make it happen. If that fails, adjust the plan. No one is perfect and I wish we would collectively tell ourselves it’s going to be ok. Because it will be!
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sunnysideupsciart · 7 months
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Do you know that a 3000-year-old honey was still edible? Does honey ever spoil?
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stemstudyish · 6 months
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Hello all! I took a break from the Internet but I am back! Little update: I am now in year two of my degree, and I started organic chemistry! Very excited for this year's journey:) 🧪
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secondwheel · 2 months
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Unfairness and sadness
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virtuosicstudyblr · 1 year
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my desk constantly looking like this because I need to study for biology 😬🌿
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jeonyeogstudies · 8 months
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10/08/23
Why is studying in a café so much easier than studying at home
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markscherz · 3 months
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I like being nerdy and reading academic articles, but I find it hard to find things that interest me unless I spend a bunch of time filing through Google scholar and things like that. How do I find interesting science news, academic discussions, etc. as an undergrad/beginner?
You can follow specific streams on e.g. Phys.org or Eurekalerts, but that might be a bit tedious. I would recommend letting the articles come to you: set up Google Scholar alerts for scientists who publish on topics that interest you. You can also set up a ResearchGate account to do the same. When I was *first* starting to be aware of scientific papers in high school, I was getting most of my science information from reading the Economist. It's not the best venue, but it is more approachable than, say, Nature or Science, to a young student who is curious about the general goings on in the world of academia. NewScientist or something may be better. It was just what I had access to at the time.
But also bear in mind that the world has changed dramatically in the 14 years since I started undergrad (sorry, just gonna go vomit while that number sinks in). Yes, tools for finding literature are more widely available than ever, but publication rate has skyrocketed, and average quality has generally decreased because there is so much pressure to publish fast and editorial quality is lower than ever. So I don't actually know how to go about starting anymore.
All I can say is that when I was starting out, I felt like you describe. Totally overwhelmed, and unsure where to start. What I did was pursue my passion—reptiles and amphibians of Madagascar—and keep meticulous notes of those first papers I was reading.
Nowadays, I typically go on deep dives a bit like Wikipedia rabbit holes; starting from a recent interesting article, I will flag sources they cite that I should read, and then rinse and repeat until I have 300 tabs open and cannot possibly read even the abstracts of all the work.
One important thing is to try to stay abreast of current research, while also continuing to get a better footing on the background. That will be very, very useful later in your career. Read the 'greats' on the subject of interest, but also the 'up-and-comings'/'movers and shakers'. But this is probably advice for later, when you have established the real direction you are interested in. For now, explore the waters!
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Another relaxing afternoon at the library
Just finished Pride and Prejudice!
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How to make plasma in the microwave using a grape (don't)
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For those of you who don't want to watch the whole video (I recommend watching it, if only for the guy's extremely blase attitude to fire and poisonous gas in his microwave, here is just the plasma part:
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And the crazy thing is, even though people have been making videos of this for over 20 years, scientists didn't actually know why it happens until 2019.
Basically, plasma is what happens to matter when it is superheated enough that electrons start to come loose from the atoms they belong to and just create a soup of charged particles. This Science article explains well how this effect is created by a halved grape connected by a thin strip of skin:
"Water-heavy grapes trap the wavelengths of energy microwave ovens emit because the waves are roughly the same size as the diameter of grapes. That energy starts charging up electrolytes inside the fruit, which then flow from one half of the grape to the other—using the strip of skin like an electrical wire and gaining energy as they go. The current quickly burns through the skin, causing the charged electrolytes to try to jump from one half of the grape to the other, supercharging the surrounding air into a bright flare of plasma—the same light-emitting state of matter responsible for the sun's rays and fluorescent lighting."
You can see in these energy diagrams of the microwaved grapes that when the grape halves are moved closer together, alllllll of the energy that is normally distributed throughout the two grape halves condenses down into an extremely small area between them to form a hotspot of radiation. The energy of this area is so great that it can heat the surrounding gas enough to turn it into plasma.
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All this to say that this is a super cool quirk of science that you definitely should NOT try at home (the scientists doing the experiment to find out why this happened destroyed 12 different microwaves in the process lol)
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h0bg0blin-meat · 7 months
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Here are some sciencey pick up lines you can use:
1. Will you be the hydrogen to my carbon.
2. You are set A and I am set B so shall we find out our common interests thru a union?
3. Shall we find out our HCF?
4. When I kiss you I expect Newton's Third Law to be in action.
5. Let's be a dipole and have dipole moments.
6. Let's be coherent, make a wavefront and make wavelets together to see our future.
7. Wanna form a mycorrhiza?
8. Your eyes shine brighter than magnesium flame (lmao what in the Apollo-)
9. Are you Ester? Cuz you lookin' fruity!
10. You are the C (cytosine) to my G (guanine).
11. If you are a proton, then I'm a neutron so let's cuddle.
12. You are the electric field to my magnetic field.
13. I can be the photon to your electron if photoelectric effect turns you on.
14. If you are alternating current, I will become the transformer, coz I will reduce your pains and increase your happiness. (My friend's)
15. You're my principal interest and you make my heart race at the rate of 100% and I'm ready to serve you every day per annum.
16. Be the glucose to my insulin receptors. (My friend's)
17. Let's spread the sheets cuz we wanna excel in what we're doing tonight. (Lmao-)
18. Let's not rush and start with induction, shall we?
19. You are my biggest flux.
20. y = mx + b my partner?
21. Be the capsaicin to my water cuz together we can be spicier. (This one is so.... 💀)
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