Arsenic - an element that triggers death for most Earthly life forms - is actually allowing for a bacterium to thrive and reproduce.

Many brain imaging studies have reported that tobacco smoking is associated with large-scale and wide-spread structural brain abnormalities.

The jaws of adolescent great white sharks may be too weak to capture and kill large marine mammals, according to a new study published in the Journal of Biomechanics by an international team of scientists.