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Worried about traveling with unvaccinated kids? 6 questions answered on how to manage the risks

  • Written by William C. Miller, Senior Associate Dean of Research and Professor of Epidemiology, The Ohio State University
imageThe requirement to wear masks in airports lowers the risk of air travel.ArtMarie/E+ via Getty Images

Across the U.S., COVID-19 cases are rising again, primarily in unvaccinated populations. Most of these cases are due to the highly infectious delta variant of SARS-Cov-2, the coronavirus that causes COVID-19. Many children are among those who...

Read more: Worried about traveling with unvaccinated kids? 6 questions answered on how to manage the risks

Fight for control threatens to destabilize and fragment the internet

  • Written by Nick Merrill, Research Fellow, University of California, Berkeley
imageInternational power plays are a threat to a stable, open internet.erhui1979/DigitalVision Vectors via Getty Images

You try to use your credit card, but it doesn’t work. In fact, no one’s credit card works. You try to go to some news sites to find out why, but you can’t access any of those, either. Neither can anyone else....

Read more: Fight for control threatens to destabilize and fragment the internet

COVID-19 could cause male infertility and sexual dysfunction – but vaccines do not

  • Written by Ranjith Ramasamy, Associate Professor of Urology, University of Miami
imageNew research has found that some men who have had COVID-19 might experience unwanted sexual side effects.tuaindeed/iStock via Getty Images

Contrary to myths circulating on social media, COVID-19 vaccines do not cause erectile dysfunction and male infertility.

What is true: SARS-CoV-2, the virus that causes COVID-19, poses a risk for both disorders.

Un...

Read more: COVID-19 could cause male infertility and sexual dysfunction – but vaccines do not

Kids' grip strength is improving, but other measures of muscle fitness are getting worse

  • Written by Grant R. Tomkinson, Professor of Kinesiology, University of North Dakota
imageClimbing in the playground is just one of many activities kids can do to improve muscle fitness.Fran Polito/Moment via Getty Images

Physical fitness in kids refers to their ability to perform physical activity. Their fitness level is not only important for success in sports and athletics, but also for good health.

Aerobic fitness – the ability...

Read more: Kids' grip strength is improving, but other measures of muscle fitness are getting worse

Joy and grief will coexist as Americans return to pre-pandemic life – 'everyday memorials' will help

  • Written by David Sloane, Professor of Policy, Planning, and Development, University of Southern California
imagePart of the joy of emerging from the pandemic has been to once again be able to hug friends and family.Jose Jordan/AFP via Getty Images

After more than 17 months of pandemic restrictions, Americans find themselves at an awkward cultural divide. As psychologist Adam Grantwrote in a New York Times article, some of us feel a true whoosh of joy at the...

Read more: Joy and grief will coexist as Americans return to pre-pandemic life – 'everyday memorials' will help

What is unrestricted funding? Two philanthropy experts explain

  • Written by Genevieve Shaker, Associate Professor of Philanthropic Studies, Lilly Family School of Philanthropy, IUPUI
imageWhen money comes with strings attached, it doesn't always do the most good.spukkato/iStock via Getty Images Plus

Unrestricted funds are grants or donations nonprofits get to spend any way they believe is appropriate to further their mission.

Unrestricted funding can also come with some limitations. Donors might, for example, designate the money for...

Read more: What is unrestricted funding? Two philanthropy experts explain

Why does gravity pull us down and not up?

  • Written by Mario Borunda, Associate Professor of Physics, Oklahoma State University
imageGravity feels like it's pulling everything toward Earth, but why?AdventurePhoto/E+ via WikimediaCommonsimage

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Why does gravity pull us down and not up? - Gracie, age 9, Brookline, Massachusetts

Gravity...

Read more: Why does gravity pull us down and not up?

Sexual harassment cases at school: Appeals court ruling could change how schools judge complaints

  • Written by Scott F. Johnson, Professor of Law, Concord Law School
imageIn Doe v. Fairfax, a student sued her school district for not taking sufficient action after she reported a sexual assault.Bill Clark/CQ-Roll Call, Inc via Getty Images

When a Virginia high school teen reported that another student repeatedly touched her breasts and genitals without consent during a school band trip, the school decided there...

Read more: Sexual harassment cases at school: Appeals court ruling could change how schools judge complaints

Surfing makes its Olympic debut – and the waves should be world-class thanks to wind, sand and a typhoon or two

  • Written by Sally Warner, Assistant Professor of Climate Science, Brandeis University
imageHawaiian surfer John John Florence, seen here competing in Portugal, is one of the favorites to win surfing's first Olympic gold. AP Photo/Francisco Seco

For the first time, surfing is on the Olympic stage.

The surfing event will last for three days and has to run within the dates from July 25 to August 1. The reason for this window? Not all waves...

Read more: Surfing makes its Olympic debut – and the waves should be world-class thanks to wind, sand and a...

A winning edge for the Olympics and everyday life: Focusing on what you're trying to accomplish rather than what's going on with your body

  • Written by Gabriele Wulf, Distinguished Professor, Department of Kinesiology and Nutrition Sciences, University of Nevada, Las Vegas
imageAthletes' game-time concentration is legendary – but what should they be focusing on?Yoshikazu Tsuno/AFP via Getty Images

How do you get to the Olympics? Practice, practice, practice … but also know what to concentrate on during the heat of competition.

How fast someone runs, swims or rows; how high or long they jump; how accurately...

Read more: A winning edge for the Olympics and everyday life: Focusing on what you're trying to accomplish...

More Articles ...

  1. What would the ancient Greeks think of an Olympics with no fans?
  2. Extreme heat waves in a warming world don't just break records -- they shatter them
  3. Extreme heat waves in a warming world don't just break records – they shatter them
  4. Is climate change to blame for the recent weather disasters? 2 things you need to understand
  5. Why America has a debt ceiling: 5 questions answered
  6. How limiting Latin Mass may become the defining moment for Pope Francis
  7. In times of stress, turning to contemplation can be helpful – here's why religions emphasize rest
  8. There's a long history of dances being pilfered for profit – and TikTok is the latest battleground
  9. The Trump administration feuded with state and local leaders over pandemic response – now the Biden administration is trying to turn back a page in history
  10. This is what happens to child migrants found alone at the border, from the moment they cross into the US until age 18
  11. Pandemic has teens feeling worried, unmotivated and disconnected from school
  12. DACA in doubt after court ruling: 3 questions answered
  13. Screentime can make you feel sick – here are ways to manage cybersickness
  14. Canceling student loan debt will barely boost the economy, but a targeted approach could help certain groups
  15. Should fully immunized people wear masks indoors? An infectious disease physician weighs in
  16. Our analysis of 7 months of polling data shows friendships, the economy and firsthand experience shaped and reshaped views on COVID-19 risks
  17. Scientists understood physics of climate change in the 1800s – thanks to a woman named Eunice Foote
  18. AI spots shipwrecks from the ocean surface – and even from the air
  19. Afghanistan after the US withdrawal: The Taliban speak more moderately but their extremist rule hasn't evolved in 20 years
  20. US is split between the vaccinated and unvaccinated – and deaths and hospitalizations reflect this divide
  21. Are middle lanes fastest in track and field? Data from 8,000 racers shows not so much
  22. Why Gil Scott-Heron's 'Whitey on the Moon' still feels relevant today
  23. Why women need male allies in the workplace – and why fighting everyday sexism enriches men too
  24. Insulin was discovered 100 years ago – but it took a lot more than one scientific breakthrough to get a diabetes treatment to patients
  25. Lawsuits over bans on teaching critical race theory are coming – here's what won't work, and what might
  26. COVID-19 recession: One of America's deepest downturns was also its shortest after bailout-driven bounceback
  27. Effects of childhood adversity linger during college years
  28. Why a 19th-century Russian anarchist is relevant to the mask and vaccine debate
  29. How to avoid food-borne illness – a nutritionist explains
  30. Free school meals for all children can improve kids' health
  31. The US Army tried portable nuclear power at remote bases 60 years ago – it didn't go well
  32. Why the US won't be able to shirk moral responsibility in leaving Afghanistan
  33. Energy pipelines are controversial now, but one of the first big ones helped win World War II
  34. Low- and middle-income countries lack access to big data analysis – here's how to fill the gap
  35. We are all propagandists now
  36. Election polls in 2020 produced 'error of unusual magnitude,' expert panel finds, without pinpointing cause
  37. For some craft beer drinkers, less can mean more
  38. World's coral scientists warn action is needed now to save even a few reefs from climate change
  39. Coral reef scientists raise alarm as climate change decimates ocean ecosystems vital to fish and humans
  40. Why livestreamers should sell their products with a poker face – not a smile
  41. Calls to cancel Chaucer ignore his defense of women and the innocent – and assume all his characters’ opinions are his
  42. Why conservatorships like the one controlling Britney Spears can lead to abuse
  43. Who owns the beach? It depends on state law and tide lines
  44. Evangelical support for Israel is neither permanent nor inevitable
  45. New COVID-19 vaccine warnings don't mean it's unsafe – they mean the system to report side effects is working
  46. Bioweapons research is banned by an international treaty – but nobody is checking for violations
  47. The next big financial crisis could be triggered by climate change – but central banks can prevent it
  48. Are there any planets outside of our solar system?
  49. Kids aren't just littler adults – here's why they need their own clinical trials for a COVID-19 vaccine
  50. Designing less addictive opioids, through chemistry