How do brazil nut trees absorb so much selenium from the soil? |
- How do brazil nut trees absorb so much selenium from the soil?
- What is the difference between a hypernova and a super luminous supernova?
- For some species of ant, like Army Ants, what determines whether they become a small worker, a large soldier, a male, or a queen? Is it random or do queen ants choose which profession ants will be when they lay the eggs?
- What is the correct equation for the spherical harmonics representation of geopotential? NGA and Wikipedia show different equations (sine vs. cosine of latitude).
- Why is the range of the strong and weak nuclear interaction so small compared to the infinite ranges of the other two interactions?
- How can a black hole have charge if photons can't escape from it?
- An orange is a pomelo x mandarin hybrid. I have a pomelo and I have a mandarin. Can I get them to make an orange, and how?
- Sodium chloride tastes salty to us. What would other sodium compounds taste like?
- Why is the Axiom of Infinity required in mathematics? What is lost or becomes possible if it is not assumed?
- Is the second tied to a constant or can it changed under more precise measurement?
- If air pressure never changes in the cabin of a passenger airplane, why do water bottles flex and expand?
- What is the physiology behind tinnitus?
- Did Oumuamua and Borisov come from the same direction?
- Is there any known way to detect plate tectonics on an exoplanet?
- What Gives Boiled Over,"Burnt" Water Its Smell?
- How does UV light kill bacteria?
- Has there ever been a mountain range taller than the modern day Himalaya / Karakoram? If so, how does science know it was so tall?
- How does turmeric react with alkaline substances?
| How do brazil nut trees absorb so much selenium from the soil? Posted: 13 Dec 2019 06:52 PM PST Also how does Amazon rainforest soil have so much selenium? [link] [comments]  |
| What is the difference between a hypernova and a super luminous supernova? Posted: 13 Dec 2019 03:17 PM PST |
| Posted: 13 Dec 2019 05:12 PM PST |
| Posted: 14 Dec 2019 06:03 AM PST The EGM2008 model's page on NGA's site uses P(cos(lat)) (PDF warning). The Wikipedia pages on Geoid and Geopotential model both use P(sin(lat)). Which one is correct? [link] [comments]  |
| Posted: 14 Dec 2019 02:02 AM PST I've tried researching it a bit on my own, and it seems like it has something to do with the mass of the force carrying bosons, i just dont really understand how. [link] [comments]  |
| How can a black hole have charge if photons can't escape from it? Posted: 13 Dec 2019 08:53 AM PST I asked before but had no takers, so figured I'd ask again. Photons are the force carriers of the EM force, of which charge is a part, right? So how can a BH have charge if this is the case? Unless somehow the charge is distributed on the surface of the BH, at or outside the EH, but that doesn't really make sense right? [link] [comments]  |
| Posted: 13 Dec 2019 11:27 PM PST |
| Sodium chloride tastes salty to us. What would other sodium compounds taste like? Posted: 13 Dec 2019 05:11 PM PST |
| Posted: 13 Dec 2019 05:13 PM PST As far as axioms go, it seems anti-intuitive to me. "infinity exists" seems not only NOT axiomatic, but impossible. Like, the amount of numbers is infinite, but they don't exist the way physical reality exists. When you find infinite values in your calculations about the real world, either something is wrong with your theory or your measurement. Is there something else that the Axiom of Infinity does that makes other normal math possible? [link] [comments]  |
| Is the second tied to a constant or can it changed under more precise measurement? Posted: 13 Dec 2019 08:05 PM PST What is the current definition of a second? How is it measured? Could it change (be slightly faster or slower than our current second) under a more detailed measurement or have we made it a constant that cannot change? [link] [comments]  |
| Posted: 13 Dec 2019 01:46 PM PST |
| What is the physiology behind tinnitus? Posted: 13 Dec 2019 09:55 AM PST Hi r/askscience! I can't seem to find any information on this. Does anyone know why tinnitus occurs, not just its causes but underlying mechanisms? Are there any known treatments out there? Technical or nontechnical explanations totally ok. Thanks! [link] [comments]  |
| Did Oumuamua and Borisov come from the same direction? Posted: 13 Dec 2019 05:23 AM PST |
| Is there any known way to detect plate tectonics on an exoplanet? Posted: 13 Dec 2019 08:07 AM PST I am always amazed by what small clues can be picked up by radio telescopes, just been wondering if there is any way to detect this (even hypothetical). [link] [comments]  |
| What Gives Boiled Over,"Burnt" Water Its Smell? Posted: 12 Dec 2019 08:54 PM PST |
| How does UV light kill bacteria? Posted: 12 Dec 2019 05:53 PM PST |
| Posted: 12 Dec 2019 08:26 PM PST |
| How does turmeric react with alkaline substances? Posted: 12 Dec 2019 09:22 PM PST Today I learned, through a hilarious series of mishaps at my job, that turmeric will turn red when mixed with acid (as in, the Comet powder one might use to clean up when one has spilled a large amount of turmeric powder on a white tile floor). We didn't have time to hunt down some alkaline stuff to throw on it to see if it reacted differently, but I'm now super curious if turmeric acts as a pH tester on both ends of the scale, or just the acidic side. [link] [comments]  |
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