He wrote about his observations and began encouraging others to follow a similar diet.

Doc didn't like to be wrong about his observations which he would only have permitted himself to voice after a great deal of careful consideration.

Others, after a time, floated into the air and set about their observations.

Then he asked a few questions, primarily about Yassar's observations.

Not a scientist himself, he learned to understand scientific pursuit, concentrating on biology but above all thinking about his own observations.

He writes a book about their observations, which is quickly accepted by a publisher.

I'm also going to contact my colleagues on other vessels and speak to them about their observations.

His father also encouraged him to observe nature and think about his observations.

She thought about it some more, found she was confident about her observations.

But she didn't; she wasn't even sure about her own observations anymore.