A walk through history easily shows that cultures can’t count on remaining stable forever.
Edward Gibbon wrote a classic on that subject: The History of the Decline and Fall of the Roman Empire. (It’s on my bucket list of...
Jun 22, 2006 — Dr. Curt Stager and Martha Foley talk about malaria, the pandemic killer of the tropics, thought by biologists to be an example of coevolution in action. While the protozoan that causes the disease evolves to survive treatment and eradication measures, humans evolve at the same time to cope with the ravages of the disease. Go to full article
Jun 01, 2006 — When creatures lose organs they once had, such as cave-dwelling fish that lose functional eyes, is this evolution or devolution? Dr. Curt Stager and Martha Foley look for what is gained when something's lost in nature's accounting. Go to full article
Jul 21, 2005 — Martha Foley and Dr. Curt Stager talk about finding life in space. Will we know it when we see it? One clue to what it might resemble comes from life in extreme environments on Earth. Go to full article
May 27, 2004 — Since 1959, the Russian geneticist Dmitri Belyaev and his successors have been experimenting in the domestication of a new species, the arctic fox. By breeding for human-friendly behavior, they found that physical traits we associate with domestic animals also developed. Dr. Curt Stager and Martha Foley consider floppy ears and curly tails. Go to full article
Oct 25, 2001 — A human male and a male chimpanzee have as much in common, genetically, as a man and a woman. Dr. Curt Stager and Martha Foley look at our evolutionary cousins, primates. Go to full article
Many strains or staph bacteria show resistance to drugs.
Apr 19, 2001 — Bacteria and viruses can adapt with extreme speed to survive exposure to antibiotics and other drugs. Dr. Curt Stager and Martha Foley talk about the genetic changes and rapid evolution known as drug resistance. Go to full article
Feb 01, 2001 — The simplicity of viruses leads to the question, "Are viruses alive?" Dr Curt Stager and Martha Foley discuss what it takes to be numbered among the living. Disease-causing bacteria pass muster, but viruses may fall a little short. Go to full article