When did humans appear? What is it that makes us different from the rest of the animals? In what way did languange develop? Why is it so important to have deciphered the sequence of the human genom…
Invertebrates were the first forms of animal life on Earth. They are the most ancient and most numerous of known life forms. Some such as worms, sea anemones, and jellyfish are soft-bodied. Other s…
Some photos speak themselves. Some gestures communicate more than words ever could, like these clasped hand, which seek comfort in the face of fear of the unknown.
"The flutter of a butterfly's wings in Brazil can unleash a tornado in Florida".That was the conclusion arrived at in 1972 by Edward Lorenz after dedicating himself to the study of meteorology and …
Mammals began to dominate the Earth about 65 million years ago. Without a doubt, modern humans are the most succesful mammals the occupy all the Earth's habitats! Their domestic coexistence with ot…
How can we understand what we are? What are we made of? Are we aware that all that we do-including reading this book-is the work of marvelous machine? We know very little about how actions; neverth…
This is a moving book. A guide for parents as well as young people, it recount in detail the almost magical way in which babies evolve from the very moment that fertilization occurs.
There was a time when people believed that the stars were bonfires lit by other tribes in the sky, that the universe was a flat plate resting on the shell of a giant turtel, and that the Earth acco…
During the greater part of our history, te Moon was quite unreachable.It did not seem very big and far away but rather small. For the Greeks, the idea of walking on the Moon was certainly unthinkta…
Many animal species use tools, and some, such as crows and apes, can even create them. But only our species has taken this ability to such an extreme that it can be said that we maintain an evoluti…