Less often groups of around 8 to 10 have been observed, with the most ever seen at once being 40 individuals.

"So much the better," the President observed with his first smile of the day.

This effect has also been observed with students using a shared system.

There were quite a few teachers here, I observed with surprise.

Observed with eyes, not ears, he certainly looks like one.

I had observed Hart's public career over the years with interest and no little hope.

I've observed similar situation like yours with my children throughout the years.

Four hours remained to us before the sun could be observed with advantage.

We have already observed differences in patients with advanced cancer.

I could find this Foundation you speak of and observe with my eyes.