The Evolution of Galaxies

"The Higgs boson ... is the key to understanding why mass exists and how atoms are possible. After billions of dollars and decades of effort by more than six thousand researchers at the Large Hadron Collider in Switzerland--a doorway is opening into the mind-boggling world of dark matter and beyond. Caltech physicist and acclaimed writer Sean Carroll explains both the importance of the Higgs boson and the ultimately human story behind the greatest scientific achievement of our time"--Publisher.

Biographies and bibliographies of members are included in many of the volumes. Lists of members are usually given on covers of the numbers.

They are Samuel, Olga, Javi, Tina and Freser, animals like you. Their lives inspire and surprise us with stories of overcoming, friendship, hope, tenderness, and love. They are the stories of the Gaia Sanctuary Foundation, where hundreds of animals have been rescued thanks to the dedication and immense love of Ismael and Coque, the founders of this great little oasis in defense of animals. Births, reunions, adversities, loyalties and more... The inhabitants of the Gaia Sanctuary are waiting for you!

Los biólogos siempre han sabido que, como procedimiento reproductivo, el sexo parece una complicación innecesaria. ¿Por qué perder el tiempo en encontrar una pareja aceptable que, a su vez, lo encuentre aceptable a uno o una? En teoría, debido a éste y otros costes añadidos de la reproducción sexual, la selección natural debería apostar por la alternativa asexual, más rentable a corto plazo. Sin embargo, en el mundo vivo encontramos sexo por doquier: es la modalidad reproductiva mayoritaria en animales, plantas, hongos y otras formas de vida, por lo que cabe preguntarse cuál es la ...