A macho culture prevails in police departments in America. The recent killing of Philando Castile serves as one example of the way racial bias and police officer machismo work together.
A computer design for home manufacturing of a receiver, the trigger and firing part, of a semi-automatic rifle.
simonov/flickr
Beyond making guns at home, 3D printing could help countries secretly develop nuclear weapons and terrorists stage more effective attacks. How do we protect innovation and ourselves?
People gather for a moment of silence following the attack in Nice, France.
Pascal Rossingnol/Reuters
Social media campaigns such as #PrayForNice have been accused of being discriminatory for focusing on Western attacks, but research shows that familiarity and location are more relevant.
A black U.S. Marine gives salute.
U.S. Marine Corps
The men who killed police officers in Dallas and Baton Rouge were black veterans. A historian explains black veterans’ long struggle to live with inequality in their military service, and back home.
The new normal?
Woman with phone via www.shutterstock.com.
Rob Weisskirch, California State University, Monterey Bay
A human development researcher decided to find out if people who are anxious about dating or about what their partner thinks of them are more likely to sext.
Ensuring trust in digital records and transactions is hard; the blockchain is an important solution.
Robert Bagnall/YouTube
The transaction system underlying the bitcoin network has far broader uses than easing financial transfers – including identifying people and tracking property ownership.
Indoor marijuana farms are becoming one of the most energy-intensive industries in the United States.
www.shutterstock.com
As more states legalize marijuana, growing pot indoors is consuming massive quantities of energy. Rules for this new industry should include requirements to use clean power or pay carbon fees.
The Promenade des Anglais July 17.
Eric Gaillard/Reuters
Trump’s choice of the Indiana governor is a love letter to the Republican base.
Stanford Smith, a worker at the First Union Center in Philadelphia, places a portrait of Republican presidential candidate George W. Bush in the halls of the Republican convention site July 29, 2000.
Reuters
These made-for-TV events are an excellent opportunity for a candidate to shape his or her image. A subtle approach works best. That could be an issue for Trump.
Is it really worth all the effort to avoid spoilers?
'Man' via www.shutterstock.com
Contrary to popular belief, several recent studies suggest that plot spoilers don’t always make us like a film or books less – and may even make us like it more.
Hey, is there something on my back?
Nathan J. Robinson
Tiny animals along for the ride, called epibionts, could be used as living data-loggers. Researchers can glean info from them that could help inform turtle-friendly fisheries management decisions.
The FDA recently advised people not to eat raw cookie dough because raw flour with E. coli in it had sickened 38 people. Do we really have to forgo our favorites?
Students for Fair Admissions filed suit against Harvard College on behalf of a Chinese-American applicant.
Kevin Lamarque/Reuters
Here’s why disagreement about affirmative action will not end any time soon. Coming up next is a lawsuit brought by Asian-Americans challenging Harvard’s race-conscious policy.
Chinese dredging vessels are purportedly seen in the waters around Mischief Reef in the disputed Spratly Islands in the South China Sea.
Reuters
China claims ownership of almost all of the South China Sea and refuses to abide by a recent ruling calling that hogwash. Why does China want to control the sea so badly?
Each tweet that relays an emotion, opinion or idea joins millions of others.
"Globe" via www.shutterstock.com
On Twitter’s 10th birthday, we look at how researchers have used the platform for a range of studies, from predicting the next flu outbreak to identifying the happiest city in America.
How much privacy are we willing to give up in the name of cutting-edge science? And do we care about the kinds of research that will be done with our donations?
Democratic U.S. presidential candidate Hillary Clinton speaks to the General Conference of the African Methodist Episcopal Church during their annual convention at the Pennsylvania Convention Center in Philadelphia, Pennsylvania, July 8, 2016.
Charles Mostoller/Reuters
Smoking rates among the poor are almost double the rates for middle-class Americans. Yet we are not providing poor people with the medical help they need to stop. We will pay billions for that later.
Do we need a new word for the feeling of guilt one gets from watering plants during a drought?
ana_carrington/flickr
Faith Kearns, University of California, Division of Agriculture and Natural Resources
A scientist dips her toe into a new form of group-based performance art: devising new words to describe new feelings and phenomena of a rapidly changing world.