February 13, 2012
Underwater walking It has long been a feeling among paleontologists that the African lungfish, with its odd and lobe-shaped fins, similar to the ancestors of the first verterbrates to walk on land, might be a good model for our ealiest ancestors.
January 13, 2012
Some 3 billion years ago, life on Earth is presumed to have settled down to a single source from which all life presently on the planet descended. This last universal common ancestor (known as LUCA for short) is not presumed to be the first that arose on Earth, but the last one from which every […]
November 30, 2011
Way back in 2009 a great artricle was written on WordPress about one of the four subjects dear to our hearts here at Changed Times. Luckily, during our reading this week we turned up the old article and had the chance to enjoy the superb study on pseudoscience provided by the blog “Cubik’s Rube” which […]