What’s for Dinner? (RJS)

This is Thanksgiving in the US – time for something light, nothing too involved. Scot has posts up – or coming up – about food … Turkey of course. But fowl fare is nothing new. In the name of science I feel it only appropriate to bring up a much earlier “turkey” dinner. From an [Read More…]

Tiktaalik roseae revisited (RJS)

A couple of years ago I posted on the discovery of Tiktaalik roseae. At the time the fossil was found there were fish-like fossils dating from ca 380 mya (million years ago) and the earliest tetrapod fossil at ca. 365 mya. Thus a likely place for a transitional form between the fish-like and tetrapods was [Read More…]

Missing Links? (RJS)

One of the common arguments brought up to cast doubt on the theory of evolution is the absence or paucity of transitional forms in the fossil record. After all, if there is a slow transition in the evolution of the diversity of animal life, intermediate forms should be, so the argument goes, abundant. The following [Read More…]