Contrary to what many people think, science by definition doesn’t prove anything. In fact, the job of a scientist is to disprove the work of former scientists. This is how science as a whole progresses. By figuring out what doesn’t work (which tends to be easier), we can figure out what does. At any rate, there are some things that we just haven’t figured out yet. We may have a vague idea of what is going on, but the jury is still out. These are 25 things that scientists are surprisingly still unsure about.
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We’re not even sure what it is, much less how to prove it.
Of course, we know that it works. We just don’t know how it works. Specifically, we don’t know how the particles that influence gravity (gravitons) work.
The exact mechanism by which magnetism works is still not fully understood.
How antidepressants work
Just like with gravitons, we know that antidepressants work, we just don’t know how. The brain is spectacularly complex and there is still a lot of work to be done in understanding it.
How electricity moves through a medium
Yes, it is electron flow. And there are several theories as to how this flow occurs, but we don’t know which is correct.
Photos: 24. Kelvinsong via wikimedia commons, 21. TStein via wikimedia commons, 20. Frettie via wikimedia commons, 13. wicker paradise via flickr, 11. Max Pixel, 10. Scott Robinson via flickr, 9. Claudio Rocchini via wikimedia commons, 8. Ian Mackenzie via flickr, 6. Mariordo (Mario Roberto Durán Ortiz) via wikimedia commons, 5. Davidboyashi via wikimedia commons, 3. Geek3 via wikimedia commons, 1. M.O. Stevens via wikimedia commons