r/askscience

And can any acid be used to make a medicine more easily absorbed? For example, if a medicine is a hydrochloride salt, would it still function normally if its active ingredient formed a sulfate salt instead?

I heard that there is a problem with water usage for nuclear reactors from heating water in rivers or something, but is that an actual problem? what are the most common places for reactors to be?

I just realized that we've been using a 24 hour based clock while the Earth spins 4 minutes faster. How does it still catch up to that? Where do the 4 minutes go from our clock?

Can someone explain it to me? Cuz I tried asking Gemini and still not sure if I understood it.