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Babies almost all try crawling to get from Point A to Point B, but CDC says it's not a useful developmental milestone

  • Written by Mark Geil, Associate Dean for Research and Professor of Biomechanics, Kennesaw State University
imageBabies are curious about their world and want to explore.Jose Luis Pelaez Inc/DigitalVision via Getty Images

Infant milestones can be a source both of pride and anxiety for a new parent. Baby’s firsts – first tooth, first steps, first word – are moments of joy that many parents immediately compare with charts listing...

Read more: Babies almost all try crawling to get from Point A to Point B, but CDC says it's not a useful...

Researchers dig deep underground in hopes of finally observing dark matter

  • Written by Hugh Lippincott, Associate Professor of Physics, University of California, Santa Barbara
imageThe inside of the LZ outer detector. The LZ is a super sensitive machine that may one day detect a dark matter particle. Matt Kapust, SURF, CC BY-SA

Physicists like me don’t fully understand what makes up about 83% of the matter of the universe — something we call “dark matter.” But with a tank full of xenon buried nearly a...

Read more: Researchers dig deep underground in hopes of finally observing dark matter

A brief illustrated guide to 'scissors congruence' − an ancient geometric idea that’s still fueling cutting-edge mathematical research

  • Written by Maxine Calle, Ph.D. Candidate in Mathematics, University of Pennsylvania
imageWhile scissors congruence accurately captures the modern algebraic notion of 2D area, things get more complicated in higher dimensions.Maxine Calle, CC BY-ND

In math class, you probably learned how to compute the area of lots of different shapes by memorizing algebraic formulas. Remember “base x height” for rectangles and...

Read more: A brief illustrated guide to 'scissors congruence' − an ancient geometric idea that’s still...

Women get far more migraines than men – a neurologist explains why, and what brings relief

  • Written by Danielle Wilhour, Assistant Professor of Neurology, University of Colorado Anschutz Medical Campus
imageMigraines are more common and intense during a woman's reproductive years. PixelsEffect/iStock via Getty Images Plus

A migraine is far more than just a headache – it’s a debilitating disorder of the nervous system.

People who have migraines experience severe throbbing or pulsating pain, typically on one side of the head. The pain is...

Read more: Women get far more migraines than men – a neurologist explains why, and what brings relief

Despite giving students chances to cheat, unsupervised online exams gauge student learning comparably to in-person exams

  • Written by Jason C.K. Chan, Professor of Psychology, Iowa State University
imageResearch shows that unsupervised online exams can accurately assess student learning.Geber86/iStock via Getty Images

The Research Brief is a short take about interesting academic work.

The big idea

Students don’t have to be supervised during online exams. That’s because unsupervised online exams can accurately assess student learning,...

Read more: Despite giving students chances to cheat, unsupervised online exams gauge student learning...

Through space and rhyme: How hip-hop uses Afrofuturism to take listeners on journeys of empowerment

  • Written by Roy Whitaker, Associate Professor of Africana Philosophy of Religions and American Religious Diversity, San Diego State University
imageThe exhibit "Afrofuturism: A History of Black Futures" at the National Museum of African American History and Culture in Washington, D.C., on May 4, 2023.Marvin Joseph/The Washington Post via Getty Images

It is perhaps only natural, as hip-hop celebrates its 50th anniversary, that people look to the genre’s future. But for some rappers, the...

Read more: Through space and rhyme: How hip-hop uses Afrofuturism to take listeners on journeys of empowerment

Donald Trump is right − he is getting special treatment, far better than most other criminal defendants

  • Written by Christopher Robertson, Professor of Law, Boston University
imageThe former president boards his plane at Reagan National Airport following his Aug. 3, 2023, arraignment in Washington. Win McNamee/Getty Images

Former President Donald Trump often complains that he is being treated unfairly by the prosecutors charging him with crimes.

Trump is now the subject of three federal and state criminal cases – and it...

Read more: Donald Trump is right − he is getting special treatment, far better than most other criminal...

Kamala Harris has tied the record for the most tie-breaking votes in Senate history – a brief overview of what vice presidents do

  • Written by Joshua Holzer, Assistant Professor of Political Science, Westminster College
imageVice President Kamala Harris arrives to cast a tiebreaking vote in the U.S. Senate.Kevin Dietsch/Getty Images

On Jan. 20, 2021, Kamala Harris became the first African American, the first person of South Asian descent and the firstwoman to serve as vice president of the United States.

More recently, she made history again by casting her 31st...

Read more: Kamala Harris has tied the record for the most tie-breaking votes in Senate history – a brief...

Yellow jerseys of the fireline: A day fighting wildfires can require as much endurance as riding the Tour de France

  • Written by Brent C. Ruby, Research Professor, School of Integrative Physiology and Athletic Training, University of Montana
imageRuby Mountain hotshots construct a fire line during the Dixie Fire in 2021. Joe Bradshaw/BLM

For three weeks in July, the world’s most elite bike racers climb steep mountains and sprint along historic cobblestones to capture the coveted yellow jersey or the race leader in the Tour de France. It’s a 22-day feat of human endurance that...

Read more: Yellow jerseys of the fireline: A day fighting wildfires can require as much endurance as riding...

Medical exploitation of Black people in America goes far beyond the cells stolen from Henrietta Lacks that produced modern day miracles

  • Written by Deion Scott Hawkins, Assistant Professor of Argumentation & Advocacy, Emerson College
imageA photo of Henrietta Lacks sits in the living room of her grandson. Jonathan Newton/The Washington Post via Getty Images

In a case that revealed the exploitation of a Black woman beginning in the 1950s and extending for 70 years, Thermo Fisher Scientific Inc. settled a lawsuit that the estate of Henrietta Lacks had filed against the biotech firm...

Read more: Medical exploitation of Black people in America goes far beyond the cells stolen from Henrietta...

More Articles ...

  1. Zebrafish are a scientist's favorite for early-stage research – especially to study human blood disorders
  2. Re-imagining democracy for the 21st century, possibly without the trappings of the 18th century
  3. Contacting your legislator? Cite your sources – if you want them to listen to you
  4. US autoworkers may wage a historic strike against Detroit’s 3 biggest automakers – with wages at EV battery plants a key roadblock to agreement
  5. What's the difference between a startup and any other business?
  6. Trump may try to delay his first federal trial – it's a common legal strategy to fend off a criminal conviction
  7. Myanmar crisis highlights limits of Indonesia's 'quiet diplomacy' as it sets sights on becoming a 'great regional power'
  8. Ending affirmative action does nothing to end discrimination against Asian Americans
  9. The most serious Trump indictment yet – a criminal law scholar explains the charges of using ‘dishonesty, fraud and deceit’ to cling to power
  10. Trump indicted in Jan. 6 case – but his 3 upcoming trials may not keep him off the campaign trail
  11. A chatbot willing to take on questions of all kinds – from the serious to the comical – is the latest representation of Jesus for the AI age
  12. Trump facing multiple criminal charges, investigations: 44 articles explain what you need to know
  13. Sexual violence is a pervasive threat for female farm workers – here's how the US could reduce their risk
  14. Is Congress on a witch hunt? 5 ways to judge whether oversight hearings are legitimate or politicized
  15. Sinead O'Connor was once seen as a sacrilegious rebel, but her music and life were deeply infused with spiritual seeking
  16. Millions across the world live with low back pain, but addressing major risk factors like smoking, obesity and workplace ergonomics could curb the trend, research shows
  17. Why Dunkin' and Lego rebrands succeeded – but X missed the mark
  18. Giuliani claims the First Amendment lets him lie – 3 essential reads
  19. To get rid of hazing, clarify what people really think is acceptable behavior and redefine what it means to be loyal
  20. Just about anybody in America can officiate a wedding, thanks to the internet – and one determined preacher
  21. Alabama is not the first state to defy a Supreme Court ruling: 3 essential reads on why that matters
  22. Federal government is challenging Texas's buoys in the Rio Grande – here’s why these kinds of border blockades wind up complicating immigration enforcement
  23. Your genetic code has lots of 'words' for the same thing – information theory may help explain the redundancies
  24. I've taught in prisons for 15 years – here's what schools need to know as government funding expands
  25. Hypocrisy penalty: Investors especially hate companies that say they're good then behave badly – unless the money is good
  26. Progressives' embrace of Disney in battle with DeSantis over LGBTQ rights comes with risks
  27. Deaf rappers who lay down rhymes in sign languages are changing what it means for music to be heard
  28. 4 factors driving 2023's extreme heat and climate disasters
  29. Hunter Biden's plea agreement renegotiation is rare – a law professor explains what usually happens
  30. Sen. Tuberville's blockade of US military promotions takes a historic tradition to a radical new level – and could go beyond Congress' August break
  31. As witchcraft becomes a multibillion-dollar business, practitioners' connection to the natural world is changing
  32. Supreme Court Chief Justice John Roberts uses conflicting views of race to resolve America's history of racial discrimination
  33. Where the government draws the line for Medicaid coverage leaves out many older Americans who may need help paying for medical and long-term care bills – new research
  34. Do smartphones belong in classrooms? Four scholars weigh in
  35. In search of the world's largest freshwater fish – the wonderfully weird giants lurking in Earth's rivers
  36. How well-managed dams and smart forecasting can limit flooding as extreme storms become more common in a warming world
  37. Women can now undertake Islamic pilgrimages without a male guardian in Saudi Arabia, but that doesn't mean they're traveling alone -- communities are an important part of the religious experience
  38. Horse health research will help humans stay healthy, too, with insights on reining in diabetes and obesity
  39. Laughter can communicate a lot more than good humor – people use it to smooth social interactions
  40. As contentious judicial 'reform' becomes law in Israel, Netanyahu cements his political legacy
  41. Decades of public messages about recycling in the US have crowded out more sustainable ways to manage waste
  42. Will I ever need math? A mathematician explains how math is everywhere – from soap bubbles to Pixar movies
  43. Massachusetts is updating its sex education guidelines for the first time in 24 years
  44. Blame capitalism? Why hundreds of decades-old yet vital drugs are nearly impossible to find
  45. How book-banning campaigns have changed the lives and education of librarians – they now need to learn how to plan for safety and legally protect themselves
  46. This year's debate over defense spending threatens to disrupt a tradition of bipartisan consensus-building over funding the military
  47. A sculptor of wind explains how to make fiber dance far above city streets
  48. Women's World Cup will highlight how far other countries have closed the gap with US – but that isn't the only yardstick to measure growth of global game
  49. Global diabetes cases on pace to soar to 1.3 billion people in the next 3 decades, new study finds
  50. First contact with aliens could end in colonization and genocide if we don't learn from history