Newmont said lower grades due to mine sequencing at Gold Quarry and lower grades at Exodus in Nevada could result in output for the year being near the bottom of the range.

FORBES: Update: Newmont Mining's Adjusted 3Q Earnings Rise

For Newmont, the lower ore grades have been a cause of concern as the company faced production losses at the Boddington mine last year.

FORBES: Newmont Shines Up To $78 Despite Indonesian Probe

In those lower grades, their projects were aimed at understanding the world around them, much like the motivations of true scientists.

WHITEHOUSE: Office of Science and Technology Policy Blog

In Pakistan, schools are not segregated by law, and boys and girls study together in the lower grades, but they tend to be separated at the start of secondary school.

NPR: Women's Group Slams Gaza Law On Gender Segregation