evolution

In the 4 billion-year history of life on earth, from single-celled bacteria to trilobites to dinosaurs to humans, there have been five mass extinctions. The Washington Post recently published a…

A friend and I fr0m philosophy grad school days at the University of Oregon are exploring the question: Is the human brain exapted for insight? ‘Exaptation’ is a word coined…

“Manshape, that shone sheer off, disseveral, a star, death blots black out; Nor mark is any of him at all so stark but vastness blurs and time beats level. Away…

In the science fiction classic “2001, A Space Odyssey,” HAL, the all too human-like computer, malfunctions and kills the hibernating crewmembers, and then snuffs out the life of one of…

The wind gusted all day today, keeping the temperature unseasonably low, and the foothills splendidly clear. The creek still runs cold, clear and fast, and it was good to sit…

Kites are most gracile and graceful of falcons. They hover for 30 seconds or more, scanning the field for prey before tucking their long, slender wings into a ‘V’ and…

Physicists and astronomers hubristically seek a “theory of everything.” But here’s a truth few scientists will admit: Our knowledge of the universe can never be complete and will never make…

The first evidence of art has been found in seaside caves in southern Africa. Paleo-anthropologists have uncovered artifacts with geometric designs, as well as ochre for skin pigmentation, dating back…