Stephen Jay Gould became famous in part for his book Wonderful Life: The Burgess Shale and the Nature of History.
By examining the strange creatures in the Burgess Shale formation Gould makes the case that evolution is a highly contingent process, and that if you reran the experiment of life what we’d see might be very different from what we have now.
To satisfy the UN Narcotics Convention, some cannabis strains have been bred to produce minimal levels of tetrahydrocannabinol (THC), the principal psychoactive constituent.
Many plants have been selectively bred to produce a maximum of THC (cannabinoids), which is obtained by curing the flowers. as a wild or escaped variety of the high-intoxicant type.
Hyenas are commonly viewed as frightening and worthy of contempt, and are associated with witchcraft, because their body parts are used as ingredients in traditional medicine.
Simony Conway Morris does not believe that contingency is nearly as powerful a force as Gould would have you believe. Richard Dawkins leaned on him to make the case for convergence in evolution in The Ancestor’s Tale.
This crossed my mind when reading Carl Zimmer’s new column, When Dinosaurs Ruled the Earth, Mammals Took to the Skies: Today, placental mammals like flying squirrels and marsupials like sugar gliders travel through the air from tree to tree. There are only so many ways you can make an organize that flies or glides.
) is a genus of flowering plant in the family Cannabaceae.
The number of species within the genus is disputed.