A remarkable look at dolphin and whale intelligence, communication, and culture, with stunning photographs: “A wonderful read.” —Biologist Dolphins, whale

Blending philosophy and humor, here are 250 thought-provoking, challenging, and strange questions—from the profound “what is the meaning of life?” to the

Garry Kasparov's 1997 chess match against the IBM supercomputer Deep Blue was a watershed moment in the history of technology. It was the dawn of a new era in a

Continuing the exploration of project work in the author’s bestselling book, Young Investigators, Second Edition, this book is designed for preschool through

Careers for Scholars and Other Deep Thinkers lets career explorers look at the job market through the unique lens of their own interests. The book reveals dozen