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The Conversation

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...

What would the ancient Greeks think of an Olympics with no fans?

  • Written by Vincent Farenga, Professor of Classics and Comparative Literature, USC Dornsife College of Letters, Arts and Sciences
imageIn ancient Greece, the heart and soul of the festival was the experience shared by all who attended.AP Photo/Shuji Kajiyama

Because of a dramatic rise in COVID-19 cases, the opening and closing ceremonies of the 2021 Olympics will unfold in a stadium absent the eyes, ears and voices of a once-anticipated 68,000 ticket holders from around the world....

Read more: What would the ancient Greeks think of an Olympics with no fans?

Extreme heat waves in a warming world don't just break records -- they shatter them

  • Written by Scott Denning, Professor of Atmospheric Science, Colorado State University
imageEvidence connects human-caused climate change to heat waves. Ties to some other extremes aren't as clear cut.AP Photo/Alessandra Tarantino

Summer isn’t even half over, and we’ve seen heat waves in the Pacific Northwest and Canada with temperatures that would be hot for Death Valley, enormous fires that have sent smoke across North...

Read more: Extreme heat waves in a warming world don't just break records -- they shatter them

Extreme heat waves in a warming world don't just break records – they shatter them

  • Written by Scott Denning, Professor of Atmospheric Science, Colorado State University
imageEvidence connects human-caused climate change to heat waves. Ties to some other extremes aren't as clear cut.AP Photo/Alessandra Tarantino

Summer isn’t even half over, and we’ve seen heat waves in the Pacific Northwest and Canada with temperatures that would be hot for Death Valley, enormous fires that have sent smoke across North...

Read more: Extreme heat waves in a warming world don't just break records – they shatter them

More Articles ...

  1. Is climate change to blame for the recent weather disasters? 2 things you need to understand
  2. Why America has a debt ceiling: 5 questions answered
  3. How limiting Latin Mass may become the defining moment for Pope Francis
  4. In times of stress, turning to contemplation can be helpful – here's why religions emphasize rest
  5. There's a long history of dances being pilfered for profit – and TikTok is the latest battleground
  6. 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
  7. This is what happens to child migrants found alone at the border, from the moment they cross into the US until age 18
  8. Pandemic has teens feeling worried, unmotivated and disconnected from school
  9. DACA in doubt after court ruling: 3 questions answered
  10. Screentime can make you feel sick – here are ways to manage cybersickness
  11. Canceling student loan debt will barely boost the economy, but a targeted approach could help certain groups
  12. Should fully immunized people wear masks indoors? An infectious disease physician weighs in
  13. Our analysis of 7 months of polling data shows friendships, the economy and firsthand experience shaped and reshaped views on COVID-19 risks
  14. Scientists understood physics of climate change in the 1800s – thanks to a woman named Eunice Foote
  15. AI spots shipwrecks from the ocean surface – and even from the air
  16. Afghanistan after the US withdrawal: The Taliban speak more moderately but their extremist rule hasn't evolved in 20 years
  17. US is split between the vaccinated and unvaccinated – and deaths and hospitalizations reflect this divide
  18. Are middle lanes fastest in track and field? Data from 8,000 racers shows not so much
  19. Why Gil Scott-Heron's 'Whitey on the Moon' still feels relevant today
  20. Why women need male allies in the workplace – and why fighting everyday sexism enriches men too
  21. Insulin was discovered 100 years ago – but it took a lot more than one scientific breakthrough to get a diabetes treatment to patients
  22. Lawsuits over bans on teaching critical race theory are coming – here's what won't work, and what might
  23. COVID-19 recession: One of America's deepest downturns was also its shortest after bailout-driven bounceback
  24. Effects of childhood adversity linger during college years
  25. Why a 19th-century Russian anarchist is relevant to the mask and vaccine debate
  26. How to avoid food-borne illness – a nutritionist explains
  27. Free school meals for all children can improve kids' health
  28. The US Army tried portable nuclear power at remote bases 60 years ago – it didn't go well
  29. Why the US won't be able to shirk moral responsibility in leaving Afghanistan
  30. Energy pipelines are controversial now, but one of the first big ones helped win World War II
  31. Low- and middle-income countries lack access to big data analysis – here's how to fill the gap
  32. We are all propagandists now
  33. Election polls in 2020 produced 'error of unusual magnitude,' expert panel finds, without pinpointing cause
  34. For some craft beer drinkers, less can mean more
  35. World's coral scientists warn action is needed now to save even a few reefs from climate change
  36. Coral reef scientists raise alarm as climate change decimates ocean ecosystems vital to fish and humans
  37. Why livestreamers should sell their products with a poker face – not a smile
  38. Calls to cancel Chaucer ignore his defense of women and the innocent – and assume all his characters’ opinions are his
  39. Why conservatorships like the one controlling Britney Spears can lead to abuse
  40. Who owns the beach? It depends on state law and tide lines
  41. Evangelical support for Israel is neither permanent nor inevitable
  42. New COVID-19 vaccine warnings don't mean it's unsafe – they mean the system to report side effects is working
  43. Bioweapons research is banned by an international treaty – but nobody is checking for violations
  44. The next big financial crisis could be triggered by climate change – but central banks can prevent it
  45. Are there any planets outside of our solar system?
  46. Kids aren't just littler adults – here's why they need their own clinical trials for a COVID-19 vaccine
  47. Designing less addictive opioids, through chemistry
  48. As coastal flooding worsens, some cities are retreating from the water
  49. School posts on Facebook could threaten student privacy
  50. How 'In God We Trust' bills are helping advance a Christian nationalist agenda