ANN ARBOR — A new University of Michigan analysis challenges the conventional wisdom that President Lyndon Johnson’s War on Poverty failed.
In the decade after Johnson declared “unconditional war on poverty,” poverty rates plummeted to reach their historic low of about 11 percent in 1973. Poverty rates were 19 percent in 1964. (more…)
ANN ARBOR, Mich.— Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in the prey species.
These adaptations are often portrayed as reciprocal, with prey and predator acting as two sides in an endless evolutionary tug of war known as co-evolution. (more…)
