Does sleep deprivation during teen years have permanent effects? |
- Does sleep deprivation during teen years have permanent effects?
- What causes the sensation of one's "blood running cold"?
- We are scientists from the Society of Vertebrate Paleontology coming to you from our annual meeting — which is virtual this year! We study fossils. Ask Us Anything!
- Will the Appalachian mountains erode completely?
- Why are vaccines not sugar cubes anymore?
- Does the air inside the wheel rotate with the wheel itself?
- What is a rescue group in research?
- Where does the potential energy come from, in osmosis?
- How do you model a gas when P, V, and T can all vary simultaneously?
- [relativity of simultaneity] What does it mean to say that the light reaching us from e.g. Alpha Centauri was emitted 4.37 years ago?
- If a supermassive black hole (for example Sagittarius A*) consumes one hydrogen atom, how much this would increase black holes event horizon circumference?
- Do fungi get infections/diseases?
- What is the chemical difference between dry erase markers, permanent markers, and tattoo ink?
| Does sleep deprivation during teen years have permanent effects? Posted: 04 Nov 2021 10:18 PM PDT For 2 years between the ages of around 14-16 I got almost no sleep most nights, on average it was around 1-3 hours on school nights and 6-9 hours on weekends. I'm almost 17 now and working on getting better sleep but I'm wondering if that period had a permanent effect on my life. Is it possible that I have a permanent lower mental ability, height or health since my development was interrupted by this? [link] [comments]  |
| What causes the sensation of one's "blood running cold"? Posted: 04 Nov 2021 10:14 PM PDT I got a call from my confused and hysterical girlfriend in the hospital last night, after she gave her head a good crack on the floor, falling down some stairs. The combination of SOMETHING being wrong, but NOT being able to tell me herself because of memory loss/confusion, made me experience the most novel sensation. The nape of my neck, down and around my shoulders, and some of my back and then down deep deep in my tummy, I simultaneously felt something like a bizarre cool icy stingy feeling. The phrase "my blood ran cold" suddenly made sense. Is this side effect of some sort of hormonal stress response? Is it related to the "freeze" response in prey animals? Is the experience of this sensation universally similar? [link] [comments]  |
| Posted: 05 Nov 2021 04:31 AM PDT Hi /r/AskScience! We are members of the Society of Vertebrate Paleontology, here for our 8th annual AMA. We study fossil fish, mammals, amphibians, and reptiles — anything with a backbone! Our research includes how these organisms lived, how they were affected by environmental change like a changing climate, how they're related, and much more. You can follow us on Twitter @SVP_vertpaleo. Joining us today are: Matt Borths, Ph.D. (/u/Chapalmalania) is the Curator of Fossils at the Duke Lemur Center at Duke University in Durham, NC. His research focuses on the evolution of carnivorous mammals and primates, especially in Africa and North America. He is also part of several teams working to network natural history collections. Dr. Borths co-produced the paleontology podcast series Past Time (www.pasttime.org). Clint Boyd, Ph.D. (/u/PalaeoBoyd) is the Curator of the North Dakota State Fossil Collection and the Paleontology Program Manager for the North Dakota Geological Survey. His research focuses on the evolutionary history of ornithischian dinosaurs and studying Eocene and Oligocene faunae from the Great Plains region of North America. Find him on twitter @boydpaleo. Stephanie Drumheller, Ph.D. (/u/UglyFossils) is a paleontologist at the University of Tennessee whose research focuses on the processes of fossilization, evolution, and biology, of crocodiles and their relatives, including identifying bite marks on fossils. Find her on Twitter @UglyFossils. Mindy Householder (/u/mindles1308) is a fossil preparator with the State Historical Society of North Dakota. She has cleaned and repaired many fossil specimens for public museums and institutions over the past 18 years. Some well known specimens she worked on include "Jane" the juvenile Tyrannosaurus rex and "Dakota" the Edmontosaurus sp. fossilized natural mummy. Josh Miller, Ph.D. (/u/PaleoJosh) is a paleoecologist and Assistant Professor at the University of Cincinnati. His research focuses on Pleistocene paleoecology, taphonomy, and using fossil and subfossil records to help conserve and manage modern ecosystems (Conservation Paleobiology). Find out more at JoshuaHMiller.com. Jennifer Nestler, M.S. (/u/jnestler) is an ecologist who works on landscape-level modeling of coastal and wetland ecosystems. She also studies the morphology and ecology of fossil and modern crocodylians, and uses quantitative methods to inform conservation decisions. Adam Pritchard, Ph.D. (/u/vertpaleoama) is the Assistant Curator of Paleontology at the Virginia Museum of Natural History in Martinsville, VA. His research focuses on the evolution of reptiles during the Permian and Triassic periods, a time of great change that saw the rise of the dinosaurs. Please check out the Virginia Museum of Natural History at vmnh.net. Dr. Pritchard has also co-produced the paleontology podcast series Past Time, available at www.pasttime.org. Gabriel-Philip Santos, M.S. (/u/PaleoParadoX) is a paleontologist and educator at the Raymond M. Alf Museum of Paleontology in Los Angeles, California. His previous work focused on the paleontology of Southern California, particularly the evolution of marine mammals. Today, his research has shifted to education and DEI in STEM as a National Geographic certified educator and cofounder of the Cosplay for Science Initiative. He was recently named a Grosvenor Teacher Fellow with National Geographic and Lindblad Expeditions. You can find him online as @paleoparadox. We will be back to answer questions starting around noon (Eastern Time/4 PM UTC) to answer your questions. See you soon! [link] [comments]  |
| Will the Appalachian mountains erode completely? Posted: 04 Nov 2021 05:25 PM PDT I've read that they could've been as high as the Himalayas, but the mountains dont have any more activity that keeps them from eroding, will they vanish completely in the future? [link] [comments]  |
| Why are vaccines not sugar cubes anymore? Posted: 04 Nov 2021 01:37 PM PDT My daughter is about to get her COVID vaccine and she is wondering why does it have to be an injection and not a sugar cube (like back in the polio vaccine). I wondered myself, was the sugar cube idea only possible for polio? Have other vaccines used that method? What are the benefits or detriments to delivering a vaccine via sugar cube? [link] [comments]  |
| Does the air inside the wheel rotate with the wheel itself? Posted: 04 Nov 2021 10:04 PM PDT It's a simple question, but I really couldn't answer it. [link] [comments]  |
| What is a rescue group in research? Posted: 04 Nov 2021 06:15 PM PDT Hi I am critiquing a paper and they said that they are using different treatment groups, a control group, and a rescue group. What is a rescue group and what is it's purpose? The paper I am critiquing is linked in this post. article [link] [comments]  |
| Where does the potential energy come from, in osmosis? Posted: 04 Nov 2021 10:35 AM PDT So, when osmosis happen the molecules of water move from one side of the semi-permeable membrane to the other, in some cases it moves in a vertically up direction, seemingly defying gravity and gaining potential energy. So, since potential energy cant just show up out without an instigating factor, due to that being a violation of the law of conservation of energy; Where does the potential energy come from ? [link] [comments]  |
| How do you model a gas when P, V, and T can all vary simultaneously? Posted: 04 Nov 2021 11:04 PM PDT For example, if you take the Ideal Gas Law PV = nRT and adjust everything with a scaler to describe a percentage change in each variable, (P * a)(V * b) = nR(T * c) you aren't able to get an insight into how each variable is changing with respect to each other. (As V is decreased by a factor of b, what is happening to P and T? etc.) My understanding is that the Ideal Gas Law requires one of these variables to remain constant to be applicable. If I want to see how dP, dV, and dT all change with respect to each other, what model should I be using? [link] [comments]  |
| Posted: 05 Nov 2021 12:40 AM PDT My question has to do with the relativity of simultaneity. Was the light reaching me now emitted while I was sitting down for coffee exactly 4.37 years ago? The simultaneity of these two events depends on the observer. Is 4.37 a good-enough approximation for all humans on earth? How about aliens orbiting Alpha Centauri on their planet? Can they expect the light they emit to reach us after 4.37 years of their time? Is there an impartial observer that can time these events? [link] [comments]  |
| Posted: 04 Nov 2021 03:53 PM PDT Would this make black holes event horizon circumference increase at least one Planck length in size? [link] [comments]  |
| Do fungi get infections/diseases? Posted: 03 Nov 2021 08:17 PM PDT We know that plants and animals can get diseases/infections (e.g., from pathogenic bacteria, viruses, fungi, etc.), and bacteria themselves can also be infected by viruses. My question is whether fungi are susceptible to "infection" (however that may be defined), and if so, what the causal organisms (or non-organisms) might be. [link] [comments]  |
| What is the chemical difference between dry erase markers, permanent markers, and tattoo ink? Posted: 03 Nov 2021 07:05 PM PDT What makes tattoo ink so permanent? What makes dry erase markers so not permanent? I know the dry erase markers has a solvent with a very low boiling point so it dries quickly but why does that make it eraseable compared to a sharpie? [link] [comments]  |
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