First Baptist Church Pastor John Crowder leads an open-air Sunday service four days after a deadly fertilizer plant explosion in the town of West, near Waco, Texas, on April 21, 2013.
The Johnson Amendment requires houses of worship to stay away from politics to receive tax exemptions. Yet, their leaders can speak out in a variety of ways that could reflect their religious views.
Slave shackles in a display case at the National Museum of African American History and Culture in Washington, D.C..
In the 19th century, slaveholders advertised widely for runaway slaves and often hired men to track and capture fugitives. African-American communities offered sanctuary space to the runaways.
Convicts leased to harvest timber in Florida around 1915.
In the 12 years following the abolition of slavery, former slaves made meaningful political, social and economic gains. This moment was short-lived.
Sen. Tim Scott waits in line to vote in Hanahan, South Carolina, 2016.
AP Photo/Mic Smith
President Donald Trump is promoting the widely discredited idea of voter fraud. Spreading the myth will make it easier to tighten voter ID laws.
Sixteen of the 17 hottest years have occurred this century and we know it’s because of a changing climate, not changes in weather.
For the third consecutive year, it's the hottest year ever. A climate scientist explains how these predictions are made and why they're completely different from forecasting the weather.
A blood drive in Florida in 2009.
AP Photo/Chris O'Meara
Lower demand for blood may sound like good news, yet it is causing problems in the blood supply chain. Hospitals want to pay less for blood, which leads to disruption of previous business models.
A vendor sells newspapers with the Arabic headline ‘Trump era’ in Cairo, Egypt on Nov. 10, 2016.
AP Photo/Amr Nabil
Could the president-elect and his secretary of state nominee Rex Tillerson adopt useful policies in the Middle East? A scholar sees some hopeful possibilities.
Doctors and patients should appreciate the many roles estrogens play in the body.
Doctor and patient image via www.shutterstock.com.
Estrogens also have many positive effects on mental health, cognitive function, libido and protection of the brain, possibly even slowing the onset of Alzheimer’s disease.
Dr. Kofi Amegah of the University of Cape Coast, Ghana, installing a small air sensing unit built by the University of Massachusetts.
Citizens and activists are using cheap off-the-shelf sensors to collect their own data on air pollution. It's a promising trend, but these devices have serious technical limitations.
Protestors chant after a rally.
Charles Rex Arbogast/AP
In America's past, efforts by disadvantaged citizens to secure greater political influence have been met with violent repression.
Trump supporters at a rally in Grand Junction, Colorado.
AP Photo/Brennan Linsley
A survey of voters shows white racial identity is on the rise. Psychologists explain how it's affecting the presidential election and how it will change American politics of the future.
Solar jobs now outnumber coal jobs in U.S. Is that reason enough for government policies to promote clean energy?
Will government policy to promote clean energy be disastrous or a boon? A close look at the 2009 stimulus, which plowed $90 billion into energy, can tell us a lot.
What do you need to know about test score reports?
Mother image via www.shutterstock.com
Eleven states have introduced a new test score. Here's what you need to know.
Les étudiants du Peltier Aerosol Lab.
Richard E. Peltier
De récents travaux montrent que les masques antipollution portés dans les grandes villes des pays en voie de développement n’offrent que très peu de protection contre les particules fines.
Face masks like these, modeled by students from the Peltier Aerosol Lab, vary widely in effectiveness against fine particle pollution.
Richard E. Peltier
Inexpensive cloth face masks, worn by many people in heavily polluted countries, offer only partial protection. Instead governments should warn people to avoid exposure and work to clear the air.
Piccadilly Circus plongé dans le « grand smog de Londres » en 1952.
Une étude sur le grand smog qui frappa Londres en 1952 montre que l’exposition précoce à la pollution de l’air permet l’apparition ultérieure de crises d’asthme.
Why scholars need to talk about their research with the lay public.
The American Sociological Association is starting a conversation to include “public communication” -- work often largely ignored -- in the assessment of a scholar’s contributions. Why does it matter?
Piccadilly Circus in smog, 1952.
Data from London's Great Smog of 1952 show that air pollution exposure in early life leads to striking increases in asthma rates. Millions in the developing world face similar risks today.
Victorian-era, middle-class black women who loved to read and write didn’t have many role models.
When biographer Gretchen Gerzina came across an old British newspaper article calling Sarah E. Farro "the first negro novelist," she wondered: who was Farro, and why had she been lost to history?
A bathroom in a Los Angeles school is marked for all genders.
New White House guidelines on sex discrimination have caused backlash in some states and school districts. But it won't last, according to researcher at UMass Amherst.