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What is Log4j? A cybersecurity expert explains the latest internet vulnerability, how bad it is and what's at stake

  • Written by Santiago Torres-Arias, Assistant Professor of Electrical and Computer Engineering, Purdue University
imageA vulnerability in Log4j, a humble but widespread piece of software, has put millions of computers at risk.SOPA Images/LightRocket via Getty Images

Log4Shell, an internet vulnerability that affects millions of computers, involves an obscure but nearly ubiquitous piece of software, Log4j. The software is used to record all manner of activities that...

Read more: What is Log4j? A cybersecurity expert explains the latest internet vulnerability, how bad it is...

Stress is contagious in relationships – here's what you can do to support your partner and boost your own health during the holidays and beyond

  • Written by Rosie Shrout, Assistant Professor of Human Development and Family Studies, Purdue University
imageRelationship stress can hit new highs during the holidays.Aaron Amat/iStock via Getty Images Plus

With the flurry of shopping, spending money and traveling to see family, stress can feel inevitable during the holidays.

You might already know stress can affect your own health, but what you may not realize is that your stress – and how you...

Read more: Stress is contagious in relationships – here's what you can do to support your partner and boost...

As spiritualism's popularity grows, photographer Shannon Taggart takes viewers inside the world of séances, mediums and orbs

  • Written by Beth Saunders, Curator and Head of Special Collections and Gallery, University of Maryland, Baltimore County
imageTable-tipping workshop with mediums Jane and Chris Howarth in Erie, Pennsylvania, in 2014.© Shannon Taggart. Courtesy of the Artist., Author provided

The word séance conjures images of darkened rooms, entranced mediums, strange occurrences and spirit voices. For many contemporary audiences, these visions might seem like something out...

Read more: As spiritualism's popularity grows, photographer Shannon Taggart takes viewers inside the world of...

Sports card explosion holds promise for keeping kids engaged in math

  • Written by John Holden, Assistant Professor of Legal Studies, Oklahoma State University
imageSports trading cards can be used as teaching tools. Hyoung Chang/MediaNews Group/The Denver Post via Getty Images

When it comes to collecting sports cards, people often focus on the cards’ financial worth. And understandably so.

After all, when a small piece of cardboard that originally cost just dollars or even cents is suddenly worth more...

Read more: Sports card explosion holds promise for keeping kids engaged in math

The Massachusetts flag glorifies the violence committed by colonizers – Native Americans want it changed

  • Written by Christoph Strobel, Professor of History, UMass Lowell
imageChange the Flag supporters protest on the steps of the statehouse on July 16, 2020 in Boston.Stuart Cahill/MediaNews Group/Boston Herald via Getty Images

Given the violent history of English colonizers in New England, it’s a wonder why the state insignia of Massachusetts, fully emblazoned on today’s state flag, still includes a sword...

Read more: The Massachusetts flag glorifies the violence committed by colonizers – Native Americans want it...

Why Putin has such a hard time accepting Ukrainian sovereignty

  • Written by Jacob Lassin, Postdoctoral Research Scholar, Arizona State University
imageVladimir Putin at a concert in March 2021 marking the seventh anniversary of its annexation of Crimea.Mikhail Svetlov/Getty Image

Ukraine is again looking warily over its eastern border as Russia threatens its territorial integrity.

In recent weeks, a buildup of Russian troops along the Ukrainian border has rattled Western leaders fearful of an...

Read more: Why Putin has such a hard time accepting Ukrainian sovereignty

Nickel oxide is a material that can 'learn' like animals and could help further artificial intelligence research

  • Written by Shriram Ramanathan, Professor of Materials Engineering, Purdue University
imageNickel oxide, the gray-and-black-striped material, demonstrates unique properties when exposed to hydrogen.Purdue University/Kayla Wiles, CC BY-ND

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

The big idea

A unique material, nickel oxide demonstrates the ability to learn things about its environment in a way that emulates the...

Read more: Nickel oxide is a material that can 'learn' like animals and could help further artificial...

Millions more Americans now have the right to vote in non-English languages

  • Written by Gabe Osterhout, Research Associate, Idaho Policy Institute, Boise State University
imageMany Americans need election materials provided in languages other than English.AP Photo/Mark Lennihan

As Americans and their elected representatives debate who should be allowed to vote and what rules should govern eligibility and registration, one key issue isn’t getting much attention: the ability for people to vote in languages other than...

Read more: Millions more Americans now have the right to vote in non-English languages

Home for the holidays and worried about an older relative? Make observations, not assumptions

  • Written by Laurie Archbald-Pannone, Associate Professor of Medicine, Geriatrics, University of Virginia
imageIf you're worried about older loved ones' ability to care for themselves, try starting a conversation with nonjudgmental questions.MoMo Productions/DigitalVision via Getty Images

With the second holiday season of the pandemic upon us, many people will have the opportunity to rejoin family and friends for celebrations. The pandemic has kept many of...

Read more: Home for the holidays and worried about an older relative? Make observations, not assumptions

2021’s climate disasters revealed an east-west weather divide, with one side of the country too wet, the other dangerously dry

  • Written by Shuang-Ye Wu, Professor of Geology and Environmental Geosciences, University of Dayton
imageWildfires that swept through Sequoia National Forest in California in September 2021 were so severe they killed ancient trees that had adapted to survive fires.AP Photo/Noah Berger

Alongside a lingering global pandemic, the year 2021 was filled with climate disasters, some so intense they surprised even the scientists who study them.

Extreme...

Read more: 2021’s climate disasters revealed an east-west weather divide, with one side of the country too...

More Articles ...

  1. Devastating Colorado fires cap a year of climate disasters in 2021, with one side of the country too wet, the other dangerously dry
  2. Mechanical forces in a beating heart affect its cells' DNA, with implications for development and disease
  3. How do fireworks work? A pyrotechnics chemist explains the science behind the brilliant colors and sounds
  4. The best way to follow through on your New Year's resolution? Make an 'old year's resolution'
  5. Manchin killed Build Back Better over inflation concerns – an economist explains why the $2 trillion bill would be unlikely to drive up prices
  6. Don't care about the Build Back Better Act? Hearing people's personal stories might change that
  7. What's the point of holiday gifts?
  8. Genomic sequencing: Here's how researchers identify omicron and other COVID-19 variants
  9. Facebook became Meta – and the company's dangerous behavior came into sharp focus in 2021: 4 essential reads
  10. To get people the help they need from the government, postcards may be the answer
  11. Family rifts affect millions of Americans – research shows possible paths from estrangement toward reconciliation
  12. Are parents criminally responsible for the actions of their child? In the Oxford shooting case, prosecutors say yes
  13. What's the record for how long it's ever rained without stopping?
  14. UN fails to agree on 'killer robot' ban as nations pour billions into autonomous weapons research
  15. People who are bad with numbers often find it harder to make ends meet – even if they are not poor
  16. The magnificent history of the maligned and misunderstood fruitcake
  17. Kim Jong Un’s decade in power: Starvation, repression and brutal rule – just like his father and grandfather
  18. bell hooks will never leave us – she lives on through the truth of her words
  19. The US is making plans to replace all of its lead water pipes from coast to coast
  20. A Persian festival, Yalda, celebrates the triumph of light over darkness, with pomegranates, poetry and sacred rituals
  21. Taking out a student loan for your child can hurt your own financial well-being
  22. Convenient but susceptible to fraud: Why it makes sense to regulate charitable crowdfunding
  23. The 'runner's high' may result from molecules called cannabinoids – the body's own version of THC and CBD
  24. How to help those who have lost loved ones to suicide cope with grief during the holidays
  25. Sold-out supplies, serving a public need and other adventures of doing science during a pandemic – 4 researchers share their experiences
  26. 'Twas the night before Christmas' helped make the modern Santa – and led to a literary whodunit
  27. Why spending $2 trillion on child care, health care and fighting climate change won't make inflation any worse than it already is
  28. Mistletoe – famous for stolen holiday kisses – is a parasite that steals water and nutrients from other plants
  29. Surveys of scientists show women and young academics suffered most during pandemic and may face long-term career consequences
  30. It's all in the flag: Bussa's Rebellion and the 200-year fight to end British rule in Barbados
  31. Latest trials confirm the benefits of MDMA – the drug in ecstasy – for treating PTSD
  32. The best way to protect personal biomedical data from hackers could be to treat the problem like a game
  33. Brain wrinkles and folds matter – researchers are studying the mechanics of how they form
  34. Hurricane-force wind gusts in Colorado, dust storms in Kansas, tornadoes in Iowa in December – here's what fueled a day of extreme storms
  35. How effective are vaccines against omicron? An epidemiologist answers 6 questions
  36. What is the Fed taper? An economist explains
  37. What is the Fed taper? An economist explains how the Federal Reserve withdraws stimulus from the economy
  38. COVID-19 vaccines for children: How parents are influenced by misinformation, and how they can counter it
  39. How the Native American population in the US increased 87% says more about whiteness than about demographics
  40. I'm a Black woman and the metaverse scares me – here’s how to make the next iteration of the internet inclusive
  41. Cellphone bans in the workplace are legal and more common among blue-collar jobs – they also might be a safety risk
  42. To tree, or not to tree? How Jewish-Christian families navigate the 'December Dilemma'
  43. How Mrs. Claus embodied 19th-century debates about women's rights
  44. Mourning after mass shootings isn't enough – a sociologist argues that society's messages about masculinity need to change
  45. Pandemic, war and environmental disaster push scientists to deliver quick answers – here's what it takes to do good science under pressure
  46. 2021 Arctic Report Card reveals a (human) story of cascading disruptions, extreme events and global connections
  47. Vast majority of American workers like their jobs – even as a record number quit them
  48. Smoke, heat and stress: A snapshot from Southern California of life in an altered climate
  49. US prep schools held student exchanges with elite Nazi academies
  50. 'Strangers in their own land': Iraqi Yazidis and their plight, 7 years on from genocide