When does a mushroom die? When it's picked? When it's packaged? Refrigerated? Sliced? Digested? |
- When does a mushroom die? When it's picked? When it's packaged? Refrigerated? Sliced? Digested?
- As a snake grows in length, does it grow additional ribs and vertebrae, or do they have a set number?
- When a Li-ion battery is first manufactured, is it already charged? If so, how much and why that amount?
- What is special about sunlight versus artificial light that plants need it?
- Why isn't Boron created through normal stellar nucleosynthesis (i.e. nuclear fusion in stars)?
- Are mitochondria significantly different in different species?
- If the four dimensions of space and time are intertwined, why can we not rotate an object into "time" the same way we can rotate an object in 3D space?
- Do other animals have 'accents' like humans do?
- Why do things like saliva or melted cheese pull into strings when you try to separate them?
- How much complexity can nuclear pasta phases in neutron stars support? Could one potentially have strong-force-based life in a neutron star?
- At an atomic level, what makes a material better at compression or tension?
- Has there ever been a trench deeper than the Marianas Trench in Earth's geologic history?
- Do male species having lower life expectancy than female also occur in other animal species than human?
- What makes an organism a plant-like protist over an animal like protist?
- Do Lagrange points exist for planets in elliptical orbits?
- Why does halorhodopsin only activate when exposed to yellow light and channelrhodopsin with blue light?
- How do liquid fueled rockets manage to stay on track during launch with fuel constantly moving around in the fuel tanks?
- Have we ever seen a stellar ignition?
- Do "aeroelastic" phenomena occur for structures submerged in liquids?
- Why are green aurora borealis more common than the red/ purple ones?
- Quantum tunneling real or proven or just our best estimation?
| When does a mushroom die? When it's picked? When it's packaged? Refrigerated? Sliced? Digested? Posted: 18 Feb 2018 06:40 PM PST 12 hours later: Thank you all for your answers. I was eating a raw mushroom at the time I asked the question (that's why I did not include "cooked" in my list). From your answers:
I was particularly interested in a mushroom (rather than, say, a carrot), because a mushroom is a fungus, not a plant. [link] [comments]  |
| Posted: 18 Feb 2018 12:34 PM PST |
| Posted: 19 Feb 2018 04:29 AM PST When I get a new phone sometimes it arrives with some charge (around 20%), other times is more, sometimes less. I was wondering if the battery leaves the factory at 100% and it decreases until it gets to the user or if it's already almost empty from the start. Thank you. [link] [comments]  |
| What is special about sunlight versus artificial light that plants need it? Posted: 18 Feb 2018 03:41 PM PST If all light is just photons, and plants convert photons into sugar through photosynthesis then why do plants die when placed indoors even if given enough artificial light? [link] [comments]  |
| Why isn't Boron created through normal stellar nucleosynthesis (i.e. nuclear fusion in stars)? Posted: 18 Feb 2018 05:45 PM PST It just seems weird that Boron isn't synthesised like normal elements, since it's atomic number is not particularly high (5). I know that elements heavier than Iron (26) need the special conditions of supernova to be formed, but Boron is so light that I would really think that fusion would work. [link] [comments]  |
| Are mitochondria significantly different in different species? Posted: 19 Feb 2018 01:22 AM PST If it were possible to replace the mitochondria in, say, a giraffe cell with mitochondria from a hyena cell, would it work? [link] [comments]  |
| Posted: 19 Feb 2018 01:15 AM PST Forgive me for being naive, but this seems like an intuitive question. [link] [comments]  |
| Do other animals have 'accents' like humans do? Posted: 18 Feb 2018 03:08 PM PST |
| Why do things like saliva or melted cheese pull into strings when you try to separate them? Posted: 19 Feb 2018 07:34 AM PST |
| Posted: 18 Feb 2018 08:56 PM PST Normally nuclear interactions don't come close to the complexity of chemistry, forming simple balls instead of complex molecules. But I've read that during the transition from the atom-dominated crust of a neutron star to the neutron-dominated interior much more complex structures called "nuclear pasta" exist, where nucleons group together into strands, planes, bubbly structures, etc. How much do we know about these phases? Does its complexity approach that of chemistry? Could one potentially have life on nuclear length- and time-scales there? [link] [comments]  |
| At an atomic level, what makes a material better at compression or tension? Posted: 19 Feb 2018 02:48 AM PST |
| Has there ever been a trench deeper than the Marianas Trench in Earth's geologic history? Posted: 18 Feb 2018 11:05 AM PST |
| Posted: 19 Feb 2018 01:26 AM PST I know male humans have lower life expectancy because they risk more, but isn't that the case for other animals too? Might be a dumb question, but I'm a big ear. [link] [comments]  |
| What makes an organism a plant-like protist over an animal like protist? Posted: 19 Feb 2018 12:41 AM PST Confused at something my biology teacher told the class while he was explaining the different kingdoms. What key feature puts an organism in one protist group over the other? For example, if an animal cell had a cell wall (not even sure if this is possible) would it be considered an animal-like protist or a plant-like protist? [link] [comments]  |
| Do Lagrange points exist for planets in elliptical orbits? Posted: 18 Feb 2018 05:51 PM PST If so, how are they different than the mostly-circular orbit of Earth? Is there some cutoff point where the orbit is too elliptical to have langrange points? [link] [comments]  |
| Posted: 19 Feb 2018 03:38 AM PST |
| Posted: 18 Feb 2018 05:47 PM PST |
| Have we ever seen a stellar ignition? Posted: 18 Feb 2018 01:10 PM PST The moment when a contracting cloud of gas first begins thermonuclear fusion. We call them stellar nurseries, we know new stars are being born there. My question is if we have ever been looking at the right bit of the right cloud at the right time to see the event as it happens!?! [link] [comments]  |
| Do "aeroelastic" phenomena occur for structures submerged in liquids? Posted: 18 Feb 2018 08:17 PM PST I couldn't find anything on this subject after a cursory google search. Basically I'm wondering if watercraft designers have to account for some liquid-specific version of flutter the same way aircraft designers do. It would make sense to me that some dynamic instability would arise from high speed motion of an elastic structure submerged in liquid the same way aeroelastic phenomena occur in air. Any fluids experts care to weigh in? [link] [comments]  |
| Why are green aurora borealis more common than the red/ purple ones? Posted: 18 Feb 2018 10:32 AM PST To my understanding green ones are from oxygen and purple/blue ones are from nitrogen. Why are the ones from nitrogen more rare since nitrogen is more common in the atmosphere than oxygen? [link] [comments]  |
| Quantum tunneling real or proven or just our best estimation? Posted: 18 Feb 2018 11:57 PM PST When I teach electronic orbitals in college chemistry, I like to pose a question to my students, "How does an electron travel to different lobes in the orbital if we know it goes throw a point that has a 0% chance of it being located there? We know it never passes through this small point, but it's the door to the other side. How does it get there?" The answer is quantum tunneling but that just seems like an answer scientists had to has because there has to be one. It seems like a cop out. Some how a cat is involved in all this as well :) [link] [comments]  |
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