James

Developed and realistic exobiology and alien society. The mystery and tension were satisfactorily resolve in the end. This resolution was consistent with the science of the premise. The characters were clear and likable, even the artificial intelligence. There were exciting and fun action scenes, too.

The scene from the beginning, where the protagonist is running for her life.

There were a few unjustified similarities shared by Europa and Earth life, such as hemoglobin, an endocrine system, etc.

This book is exceedingly boring. The same few anecdotes from history are discussed over and over, but nothing conclusive or provable is discovered. It is richly philosophical, but in the way that puts off a scientific mind and does not inspire curiosity or profound thought. If you like to read science, skip it. If you can't sleep, give it a read.

This lecture is very remedial. Anyone who has taken a high school biology class will learn very little from it. The author is redundant, and the pace of the lecture is teasingly slow. However, if you want to learn how to identify bacteria by their field marks, it may be worth a listen. Some of the digressions in the lecture are comically out of place, such as the art history of Johannes Vermeer.

The author communicates beautifully, to the laymen and scientifically-minded alike, a cosmologists perspective on our place in the universe, as well as the places where others might inhabit.
Due to the way this book was compiled, of the content is a bit redundant, but that helps it sink in better, I guess.