DNA does a good job of explaining how genetic information is reproduced, but not how individual organisms constantly respond to their environment. More

Millions of women work two shifts: first their day jobs and then a second shift of domestic labor each evening. Credit: Creative Commons/Sean Dreilinger. More

Creative Commons/Vincent van Gogh People who lose jobs at midlife “stay unemployed longer and earn much less afterward,” the author writes. Those who fail to re-enter the workforce may enter old age in debt, often blaming themselves for what should be understood as a structural problem. Old Man More

Women in the United States now hold most of the nation’s managerial positions, and most job growth is currently in jobs traditionally held by women in health care, child care, and food services. Credit: Creative Commons/World Economic Forum/ReSurge International. More

Andrew Larsen ( andrewlarsenphotography.com ) Palestinians line up at Checkpoint 300 in Bethlehem. More than 20,000 Palestinians commute from the West Bank to Israel every morning to reach their jobs, often facing long delays at checkpoints such as this one. More

Yemane Gebremicael (right) urges SeaTac residents to support local businesses that endorsed the ballot initiative aimed at raising the minimum wage and guaranteeing full-time work, paid sick leave, and strong job protections for every airport worker. Jonathan Rosenblum More

© Bill Hughes Photos Workers picket outside a Hyatt hotel in Baltimore. “Hyatt Corporation is on the offensive to dismantle the standards of fair wages, working conditions, and job protections that union hotel workers have achieved after decades of struggle,” the author writes. More

“People whose work is focused on emotional labor ... have some of the twenty-five worst-paid jobs in the United States,” the author writes. Emotional labor is part of teaching preschool (top), day care provision (middle), social work (bottom), secretarial work, physical therapy, nursing, counseling More

societal value than training people to compete for the best jobs, even liberal legislators may perceive no political alternative to cutting public sector funding. More

maintenance’ officers whose job was to keep soldiers on the rosters.” Here, an Army chaplain reads a sermon at Camp Lemonier in Djibouti. More