
Reviews and Commentaries--An Attempt to Link the Sciences and Humanities

Reviews and Commentaries--An Attempt to Link the Sciences and Humanities

The Arithmetics of Mutual Help
Computer experiments show how cooperation rather than exploitation can dominate in the Darwinian struggle for survival

Book Review--The End of Biological History?

How Many Species Inhabit the Earth?
The sad truth is that no one knows. The answer is relevant to efforts to conserve biological diversity and could illuminate crucial questions about evolution and management of the environment

Understanding the AIDS Pandemic
Mathematical models help to reveal how the AIDS virus infects individuals and communities. They sometimes produce results that upset simple intuition

The Harvesting of Interacting Species in a Natural Ecosystem
The changing populations of whales and other animals that feed on the knll of the Southern Ocean are an example of the problem of utilizing a biological resource without extinguishing species

The Evolution of Ecological Systems
The coevolution of species within ecosystems gives rise to interesting patterns in the total number of species found in a given area, in their relative abundances and in the overall structure of the local food web