Police kill about 3 men per day in the US, according to new study [Click here to view this message in your web-browser](.
Edition: US
6 August 2018
[The Conversation](
Academic rigor, journalistic flair
Editor's note
Philando Castile, Tamir Rice, Michael Brown. Many Americans have heard the names of civilians shot and killed by police officers. But the official government records on all police-involved homicides are spotty, say scholars Frank Edwards and Michael H. Esposito. Their new study looks at data gathered by journalists and researchers, calculating that [the risk of police-involved death is two times higher than indicated by official sources](.
The United States’ tit-for-tat trade war with China continues to escalate as Chinese officials release a new list of $60 billion in retaliatory tariffs. President Trump, who says he’s fighting for working-class Americans, claimed on Sunday that his tariffs will make the U.S. “much richer.” While some Americans may benefit from a tariff war, the [working class will not be among them](, argues political economist Jeffrey Kucik.
[How do brains turn experiences into lasting memories](? New research suggests the first step might be keeping track of the genes that turned on within activated neurons. The temporary molecular records they create can then be “read” to create enduring physical changes to the neuron itself for long-term memory.
Aviva Rutkin
Big Data + Applied Mathematics Editor
Top Stories
There are multiple efforts to count police homicides in the U.S. a katz/shutterstock
[Police kill about 3 men per day in the US, according to new study](
Frank Edwards, Cornell University; Michael H. Esposito, University of Washington
Official records on police homicides are full of holes. A new study tries to fill in the gaps – and finds new evidence of racial and regional inequality.
Tariffs may help certain industries, but their broader impact on middle- and lower-income consumers is generally harmful. Reuters/Lawrence Bryant
[How Trump’s trade war affects working-class Americans](
Jeffrey Kucik, University of Arizona
The president says he's fighting his trade war because a generation of free trade has failed working-class Americans. An economist explains why tariffs will only make things worse.
Like the day’s newspaper, the brain has a temporary way to keep track of events. TonTonic/Shutterstock.com
[Brains keep temporary molecular records before making a lasting memory](
Kelsey Tyssowski, Harvard University
How do brains convert experiences into memories? New research explores the chain of events by focusing on what genes shift into gear when neurons are firing.
Politics + Society
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[Vladimir Putin’s lying game](
Keith Brown, Arizona State University
Donald Trump admires Russian President Vladimir Putin. But Putin's track record over his career reveals a serial liar, and presents damning evidence of complicity in multiple critics' violent deaths.
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[Brazilian evangelicals, swinging hard to the right, could put a Trump-like populist in the presidency](
Peter David Arnould Wood, Universidade Federal de Minas Gerais (Brazil)
Brazil's evangelical Christians are an increasingly powerful political force. These conservative, faith-based voters are now backing a divisive firebrand known for racist remarks for the presidency.
Economy + Business
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[Why adjusting capital gains for inflation makes economic sense](
Dale O. Cloninger, University of Houston-Clear Lake
The Trump administration is considering a change to how capital gains taxes are calculated that would save investors roughly $100 billion over a decade.
Health + Medicine
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[Why stretching is (still) important for weight loss and exercise](
David Prologo, Emory University
Who hasn't been told to stretch before and after exercise to prevent injury and improve performance? There may be no scientific evidence to back that up, although stretching has other benefits.
Ethics + Religion
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[What makes a good friend?](
Alexis Elder, University of Minnesota Duluth
Friendship requires that we be open to our friends’ ways of seeing things, even when they differ from our own. Is being a good person necessary for a good friendship? Who is a good person?
Trending on site
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[Who owns the moon? A space lawyer answers](
Frans von der Dunk, University of Nebraska-Lincoln
Forty-nine years ago, on July 20, 1969, American astronauts planted a US flag on the moon. A space lawyer explains the implications, who owns the moon, and what it means for lunar mining.
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[Parts of the Pacific Northwest’s Cascadia fault are more seismically active than others – new imaging data suggests why](
Miles Bodmer, University of Oregon; Doug Toomey, University of Oregon
A new array of seismometers provides a glimpse of what's happening deep beneath this geologic fault. New data help explain why the north and south of the region are more seismically active than the middle.
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[Lawyers defending immigrant children in detention are relying on a court case from the 80s](
Kevin Johnson, University of California, Davis
A 15-year-old fleeing violence in El Salvador came to the US in 1985. Her case set in motion a Supreme Court decision that would affect how authorities treat children in their custody for decades.
Today’s quote
["According to the Forest Service, climate change has expanded the wildfire season by an average of 78 days per year since 1970."](
[A perfect storm of factors is making wildfires bigger and more expensive to control](
Cassandra Moseley
University of Oregon
[Cassandra Moseley]
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