What does it mean to have a crack go all the ways down your fingernail?

The crack occured during the winter freeze and i would like to repair it a cheap as possible

Sometimes if i take a deep breath my upper back will crack about 3 times.

I am aware that I have to disclose the fact that there is a crack in the slab. However, it has been repaired, leveled, and stabilized. The contractor that did the repairs gave me a lifetime warranty transferable...

I recently saw a man in his fifties with fungal looking growths around his fingernails the nails where black! i have never seen anything like ths before...it's scary...? can this be contagious?

There is a large crack across the basement floor. It is the width size as my little finger-nail. This crack goes from the front to the back of house approx. 20 ft. This is a brand new home, just under a year...