Is it possible to be colorblind in only one eye? |
- Is it possible to be colorblind in only one eye?
- AskScience AMA Series: I'm Stanislas Dehaene, the author of the new book How We Learn: Why Brains Learn Better Than Any Machine... for Now. I'' the director of the Cognitive Neuroimaging Unit in Saclay, France, and the professor of experimental cognitive psychology at the College de France. AMA!
- How was the nuclear binding energy measured?
- Many humans have ticklish areas like underarms; in other animals that doesn’t seem to be the case. Is there an evolutionary explanation for why certain animals are ticklish and where?
- When a scientist says there's ice on Planet X, or there's ice on Comet X, are they speaking of water ice specifically?
- I have a porcine and now bovine heart valve. Are there any other human replacement parts taken from animals?
- [Paleontology] How often are the skeletons of Dinosaurs seen in museums composed from bones of more than one individual?
- Why does blanching stinging nettles remove the sting?
- What would the night sky look like if the Milky Way wasn’t visible?
- Are all of the genes (in our body, for example) important? Or some of them are neutral?
- is there a reaction that works exclusively for tris trimethylsilyl silane and not for tributyltin hydride?
- Do emitters emit photons in random orientations when they undergo stimulated emission?
- How does gravity affect the optimal size of complex lifeforms on a planet?
- Does the earth rotate at the same speed on its surface as it does at the center?
- Why do hotspots form distinct volcanoes?
- What does it mean for a body to be radioactive?
- Black holes and alpha centuri?
- Since fingerprints are unique, I was wondering are tongue and/or lip prints also unique to the individual?
- How do gorillas maintain their large muscle mass on a diet that is almost 70% fruit, and 20% leaves?
- Where to find raw/good quality Pulsar sounds?
- What sounds can a bird's syrinx imitate?
| Is it possible to be colorblind in only one eye? Posted: 13 Feb 2020 06:04 PM PST |
| Posted: 14 Feb 2020 04:00 AM PST Hello, I'm Stanislas Dehaene, the author of the new book How We Learn: Why Brains Learn Better Than Any Machine... for Now. I'm the director of the NeuroSpin brain imaging center in Saclay, France, and the professor of experimental cognitive psychology at the College de France. I am very passionate about the human brain and its remarkable feats - my previous books were about how the brain does maths, how it learns to read, and what are the neuronal mechanisms of consciousness. But today, I focus more on "how we learn" - one of the major talents of the human brain. I will be available 6-8 pm French time (12 EST, 17 UT), ask me anything! [link] [comments]  |
| How was the nuclear binding energy measured? Posted: 14 Feb 2020 04:37 AM PST Specifically how was it seperated from the coulomb force? To break apart a nucleus you need to overcome this force. So after a fission you dont know how much of the required energy did work against the coulomb force and how much of it worked against the nuclear bidning energy. At least I do not see how you can seperate this, except for the application of mathematical models, which is not not an empirical method. [link] [comments]  |
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| Posted: 13 Feb 2020 09:17 PM PST I know that almost all skeletons and "bones" in museums are actually castings, however I was wondering how many individual complete skeletons of larger dinosaurs actually ever fossilised, leading me to think that most museum skeletons are the result of many individuals' bones as that allows us to have at least an idea of species level skeletal structure. [link] [comments]  |
| Why does blanching stinging nettles remove the sting? Posted: 13 Feb 2020 04:40 PM PST I can understand if it denatures the poison perhaps, but that would still leave the physical "needles" right? [link] [comments]  |
| What would the night sky look like if the Milky Way wasn’t visible? Posted: 13 Feb 2020 07:32 PM PST As an avid fan of star gazing, I was wondering if anyone could help me understand just how much outside of our own galaxy we can see with the naked eye. Apologies if this is the wrong place to ask this question. [link] [comments]  |
| Are all of the genes (in our body, for example) important? Or some of them are neutral? Posted: 13 Feb 2020 06:04 PM PST |
| Posted: 13 Feb 2020 07:32 PM PST I know that tributyltin hydride has rate constants of donating a hydrogen radical to a carbon radical slightly faster than the rate constant of tris trimethylsilyl silane. And that this sometimes results in a radical reaction terminating quicker than it should when using the tributyltin hydride. But is there a reaction or scientific article where the tris trimethylsilyl silane allows formation of one product due to its slower rate constant, and that use of the tributyltin hydride does not allow for the formation of that same product due to a faster rate constant? [link] [comments]  |
| Do emitters emit photons in random orientations when they undergo stimulated emission? Posted: 13 Feb 2020 04:57 PM PST Classically the theory states that photons emitted during stimulated emission inherit phase and orientation from the stimulating photon, but recent experiments appear to show that this may be completely false, and emitters undergoing stimulated emission emit photons in random directions just like in spontaneous emission: https://andrewgyork.github.io/stimulated_emission_imaging/ This is driving me a bit nuts as I can't reconcile the quite seemingly complete descriptions of stimulated emission with the results of this experiment. I haven't found any answers in the primary literature yet so hoping someone here can shed some light. [link] [comments]  |
| How does gravity affect the optimal size of complex lifeforms on a planet? Posted: 13 Feb 2020 06:40 PM PST In other words, if the size and mass of Earth were half, with everything else scaled so that it retained the same environment and ability to sustain life as it does now, would humans and other similarly complex organisms be some ratio smaller? [link] [comments]  |
| Does the earth rotate at the same speed on its surface as it does at the center? Posted: 14 Feb 2020 02:07 AM PST |
| Why do hotspots form distinct volcanoes? Posted: 14 Feb 2020 01:36 AM PST Pretty self explanatory - why do hotspots form separate, distinct large volcanoes rather than a continuous stream of smaller mini- volcanoes that form a ridge if the hotspot is constantly extruding magma? (Yes im aware a hotspot doesnt actually extrude magma, just couldnt find a better way to put it) [link] [comments]  |
| What does it mean for a body to be radioactive? Posted: 13 Feb 2020 09:49 PM PST I hear about people like Marie Curie being buried in lead-lined coffins because of radioactivity. But what does it really mean for a dead body to be radioactive? How is it dangerous? And does it affect the decomp of the body? [link] [comments]  |
| Black holes and alpha centuri? Posted: 13 Feb 2020 01:36 PM PST If alpha centuri theoretically turned in to a stellar black hole would we be affected. Sorry if this is a stupid question. [link] [comments]  |
| Posted: 13 Feb 2020 12:38 PM PST So basically as the post states. I know fingerprints aren't 100% unique to the individual, since it's like 1 in 1 billion, and identical twins can share fingerprints. It's still considered in criminal sience to be considered unique to the individual. Thanks in advance. [link] [comments]  |
| How do gorillas maintain their large muscle mass on a diet that is almost 70% fruit, and 20% leaves? Posted: 13 Feb 2020 08:27 AM PST bodybuilders/powerlifters/models, you name it must consume a huge amount of protein in the form of meat, soy, etc. to keep up their muscle mass. What about a gorilla's metabolism allows them to consume almost all carbs yet maintain their muscles? [link] [comments]  |
| Where to find raw/good quality Pulsar sounds? Posted: 13 Feb 2020 08:46 AM PST Alright, not really a science thing but its about the space anyways. I am obsessed with pulsar sounds. Youtube has a crap audio quality so I am searching for other options. If you know, please tell me! Thanks in advance [link] [comments]  |
| What sounds can a bird's syrinx imitate? Posted: 13 Feb 2020 05:46 PM PST Parrots and corvids are known for being able to imitate human speech through an organ called the syrinx. Are there any sounds that they can't imitate using this organ? I know that they can't actually produce any human speech sounds in the same way as us, but it is understood that they can generally mimic our speech. But what limits are there to their mimicry? Do they substitute "b"s for "p"s, for instance? [link] [comments]  |
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