Latest Catherine Boisvert Stories
April Flowers for redOrbit.com - Your Universe Online The evolutionary path from the bone structure of the fish to the complex, weight-bearing hips of walking animals was a much simpler process than previously thought, according to a new study. About 395 million years ago, the first tetrapods, or four-legged animals, stepped onto land. This transition was accomplished using strong, weight-bearing hipbones and a connection through the spine via the ilium. These features were not present...
- A spider.
- Figuratively, a peevish, testy, ill-natured person.