Dr. Davidson’s passing seems like an appropriate time to review the work of the great dGRN expert.
For biologists hoping to find an evolutionary solution to the Cambrian explosion, Doug Erwin and Graham Budd offer little comfort.
Many of us remember Pravda and Izvestia, the official propaganda organs of the former USSR.
Their embryos appear in Precambrian strata, misleading some to consider them primitive.
Here’s a fascinating and revealing analogy from IEEE Spectrum, published by the Institute of Electrical and Electronics Engineers.