November 17, 2014
A female horse that lived 47 million years ago is providing paleontologists with a view into the past.
November 4, 2014
Even without skeletal remains, Marsola and his team of researchers are using the egg characteristics and its location to relate it to other bird eggs and build phylogenetic trees, placing this new bird, whoever it may be, on the evolutionary tree of life.
October 27, 2014
Salamanders are the only four-limbed vertebrates which can regrow lost limbs, and exceptionally well-preserved fossils suggest that their early ancestors shared this ability.
October 19, 2014
You are probably aware of the concept of second-hand smoke, which increases the risk of disease and death. You should probably be aware of another deadly scourge: second-hand stress.