We are making color movies in X-rays.

I want to run fast, but I won't be upset if I don't break my PR (16:02). You don't want to set the standard too high too early.

The photons are smaller than the distance between atoms in the material.

I had a fever off and on. It would go away and come back. Running probably made it worse. That was the first time I ever got sick while running.

We don't need as much experience race-wise because most of us are seniors.

I want to run fast, but I won't be upset if I don't break my PR (16:02), ... You don't want to set the standard too high too early.