The Original question was: School textbooks and lesson plans use homologous structures, such as the bones in vertebrate limbs, as evidence for evolution. How can we refute these claims? Answer by Diane Eager Homologous structures are organs and body parts that have the same internal organisation. For example, all vertebrates have limbs with a common […]
Answer by John Mackay How are fossils formed? Firstly let us clear up one thing: many people confuse the words fossilised and petrified. A fossil is any remains of an animal or plant or trace of it, such as a footprint or even only a chemical residue, so any clue that some form of life […]
Answer by Diane Eager and John Mackay First of all we need to consider what was found. In 2013 cave explorers found a large number of bones deep in the Rising Star cave system in South Africa. Anthropologist Lee Berger then recruited a team of scientists with caving experience to excavate over 1500 bones and […]
Is this a whale of a tale? What genes do we really have?
What’s it for? Our Medical Biologist Dr Diane Eager tells us.