• Deprecated function: Optional parameter $path declared before required parameter $arg is implicitly treated as a required parameter in include_once() (line 1439 of /var/www/quickstart.cals.arizona.edu/includes/bootstrap.inc).
  • Deprecated function: http_build_query(): Passing null to parameter #2 ($numeric_prefix) of type string is deprecated in media_oembed_default_callback() (line 64 of /var/www/quickstart.cals.arizona.edu/profiles/ua_quickstart/modules/contrib/media_oembed/plugins/providers/default.inc).

How Aspirin Was Discovered - Krishna Sudhir

4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they’d found was destined to influence the future course of medicine. Krishna Sudhir traces the history of aspirin.