Everyone has encountered a T. rex in books, movies or museums. Besides its size and menacing jaws one of the most striking features of a T. rex is its diminutive arms. So why were the arms of T. rex so short? There have been many hypotheses including: 1) they had no use and […]
A story is breaking today of a significant fossil find that was made almost a year ago but kept under wraps until the significance of the find could be evaluated. What has now been reveled is that over 100 footprints were found in newly uncovered rocks along a shoreline of England. Careful analysis of […]
Dinosaur eggs are surprisingly (to the non-biologist) similar in size. Even the very largest dinosaurs laid eggs that were hardly any bigger than the largest eggs found today. These are observations from the fossil record and these observation make sense biologically even though all we see are fossilized eggs. Eggs are limited in the size they attain for several reasons but one of the most important is that the embryos in the eggs must have oxygen to grow.
Many people have a perception of scientists as white-coated individuals hunched over at a lab bench performing experiments. They are doing experimental science which include the testing of hypotheses and determining which ones are supported and which should be discarded. Others scientists are imagined as collecting observational data using telescopes to describe distant planets and […]