But water contains salt too doesn't it?
And how important is this osmotic pressure...?

Hi guys I'm currently using daily contacts (the ones that you use one per day and then throw them away). I'm considering using monthly contacts or 2-weeks contacts. If I do get them, I have to clean them with contacts liquid every night. Is it safe/good for the eye to just clean them with spring wat...

You can work out 2 days in a row, but don't work the same muscles on the 2nd day because your mucles needs rest in order to grow.

Ah, thank you =)
Regarding food, do you have any recommendations on protein-rich food?

I've been told that cottage cheese and raw eggs are good.

Sorry, I meant thighs
Unless that's pure fat...

Hi guys I' m a pretty skinny guy, I'm about 5'8'' and I want to gain some muscles on my arms to look better. Any suggestions? I'm guessing the normal answer would be, eat more and excercise. But the food I eat seems to be stored at my legs instead of my arms. Am I eating wrong, or do I just use my a...

Nobody? Hmm....

Hi I'm considering eye laser surgery using the latest technology: IntraLase/Femtosecond. Does anybody know if it's really safe or know any bieffects of performing such operation? The technology is new in the form of using pure laser, no microknife involved for cutting the layer of the eye. It is als...

Ah, thanks for all your feedbacks

Nah, it was just out of cuiousity

Hi guys, I have a question.

If a person has good eyes, how well does he sees under water...?
Can he still see good details? I mean, is it problematic to unlock a lock under water with a key or does he just have to guess where the whole is?

I googled a bit and found out about ChemOffice Ultra. Is it a recommended software? There's also a ChemBioOffice Ultra, but I'm not sure what the difference is. Edit: I have another question that I would like to ask. While I was a student, we had access to a database containing chemical properties t...