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50-year-old muscles just can’t grow big like they used to – the biology of how muscles change with age

  • Written by Roger Fielding, Associate Director of the Jean Mayer USDA Human Nutrition Research Center on Aging, Professor of Medicine, Tufts University
imageWhy is it harder to build muscle as you age? DjelicS/iStock via Getty Images

There is perhaps no better way to see the absolute pinnacle of human athletic abilities than by watching the Olympics. But at the Winter Games this year – and at almost all professional sporting events – you rarely see a competitor over 40 years old and almost...

Read more: 50-year-old muscles just can’t grow big like they used to – the biology of how muscles change with...

Legalizing recreational pot may have spurred economic activity in first 4 states to do so

  • Written by Roberto Pedace, Professor of Economics, Scripps College
imageWashington state was home to some of the nation's first dispensaries for legalized marijuana. AP Photo/Ted S. Warren

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

The big idea

Banking activity in the first four U.S. states to make recreational marijuana legal grew significantly more than in other parts of the country despite fed...

Read more: Legalizing recreational pot may have spurred economic activity in first 4 states to do so

Why community college students quit despite being almost finished

  • Written by Benjamin Skinner, Assistant Professor of Higher Education and Policy, University of Florida
imageSix out of 10 community college students do not earn a degree. FatCamera E+ via Getty Images

Community colleges are designed to make college more accessible, yet 6 out of every 10 community college students cannot reap the full rewards of higher education because they do not earn their degree. For graduates, rewards often include making more money....

Read more: Why community college students quit despite being almost finished

What does climate change have to do with snowstorms?

  • Written by Michael A. Rawlins, Associate Director, Climate System Research Center, UMass Amherst
imageBoston got socked with nearly 2 feet of snow in late January 2022.Scott Eisen/Getty Images

Bostonians may have grumbled about digging out from almost 2 feet of snow after a historic snowstorm clobbered the Northeast in late January 2022, but it shouldn’t have been a surprise. This part of the U.S. has been seeing a lot of storms like this in...

Read more: What does climate change have to do with snowstorms?

Why a warming climate can bring bigger snowstorms

  • Written by Michael A. Rawlins, Associate Director, Climate System Research Center, UMass Amherst
imageBoston got socked with nearly 2 feet of snow in late January 2022.Scott Eisen/Getty Images

The blizzard that buried Boston under nearly 2 feet of snow in January 2022 was historic, but not a surprise. Over a century of reliable weather records show many of the Northeast’s heaviest snowfalls have occurred since 1990 – including seven of...

Read more: Why a warming climate can bring bigger snowstorms

Some cancers are preventable with a vaccine – a virologist explains

  • Written by Ronald C. Desrosiers, Professor of Pathology, Vice-chair for Research, University of Miami
imageSome strains of the human papilloma virus (HPV) have been associated with cancers, especially cervical cancer.Kateryna Kon/Science Photo Library via Getty Images

One-fifth. Nearly 20% of cancers worldwide are caused by a virus.

These viruses don’t cause cancer until long after they initially infect a person. Rather, the viruses teach the...

Read more: Some cancers are preventable with a vaccine – a virologist explains

Government agencies are tapping a facial recognition company to prove you're you – here's why that raises concerns about privacy, accuracy and fairness

  • Written by James Hendler, Professor of Computer, Web and Cognitive Sciences, Rensselaer Polytechnic Institute
imageBeginning this summer, you might need to upload a selfie and a photo ID to a private company, ID.me, if you want to file your taxes online.Oscar Wong/Moment via Getty Images

The U.S. Internal Revenue Service is planning to require citizens to create accounts with a private facial recognition company in order to file taxes online. The IRS is joining...

Read more: Government agencies are tapping a facial recognition company to prove you're you – here's why that...

China's biggest holiday: The Lunar New Year and how it is celebrated

  • Written by Mario Poceski, Professor of Buddhist Studies and Chinese Religions, University of Florida
imageGrandparents are teaching Chinese calligraphy to their granddaughter and how to write Chinese New Year auspicious messages. AsiaVision/E+ via Getty Images

Among China’s traditional holidays and celebrations, none ranks higher in importance than the Lunar New Year (農曆新年). Also known as the Spring Festival...

Read more: China's biggest holiday: The Lunar New Year and how it is celebrated

How to build wildfire-resistant communities on the wildland fringe

  • Written by Jeanne Homer, Professor of Architecture, Oklahoma State University
imageHow homes are built and landscaped affects their ability to withstand a wildfire.Justin Sullivan/Getty Images

Across the West, thousands of people are deciding what to do about homes that have been destroyed by wildfires in recent months. Those planning to rebuild will be looking for ways to make their new homes and neighborhoods as fire-resistant...

Read more: How to build wildfire-resistant communities on the wildland fringe

Seizures can cause memory loss, and brain-mapping research suggests one reason why

  • Written by Anastasia Brodovskaya, Postdoctoral Fellow in Neurology, University of Virginia
imageIn addition to memory loss, seizures can result in a complete loss of consciousness.pressureUA/iStock via Getty Images Plus

Epilepsy is a disease marked by recurrent seizures, or sudden periods of abnormal, excessive or synchronous neuronal activity in the brain. One in 26 people in the U.S. will develop epilepsy at some point in their life. While...

Read more: Seizures can cause memory loss, and brain-mapping research suggests one reason why

More Articles ...

  1. Did male and female dinosaurs differ? A new statistical technique is helping answer the question
  2. Why taking fever-reducing meds and drinking fluids may not be the best way to treat flu and fever
  3. China has no plan for who will succeed Xi Jinping – leaving the nation and the world in uncertainty
  4. New flood maps show US damage rising 26% in next 30 years due to climate change alone, and the inequity is stark
  5. What's NATO, and why does Ukraine want to join?
  6. How Brad Pitt's green housing dream for Hurricane Katrina survivors turned into a nightmare
  7. Can delta-8 THC provide some of the benefits of pot – with less paranoia and anxiety?
  8. There is much more to mindfulness than the popular media hype
  9. Can the US find enough natural gas sources to neutralize Russia's energy leverage over Europe?
  10. Why do we bleed? A hematologist explains how the body prevents blood loss after injury
  11. The IRS already has all your income tax data – so why do Americans still have to file their taxes?
  12. Bad managers, burnout and health fears: Why record numbers of hospitality workers are quitting the industry for good
  13. Pope Benedict faulted over sex abuse claims: New report is just one chapter in his – and Catholic Church’s – fraught record
  14. A lunar return, a Jupiter moon, the most powerful rocket ever built and the James Webb Space Telescope – space missions to watch in the coming months
  15. Don't pay too much attention to guesses about how US Supreme Court will vote on abortion rights – experts are often wrong
  16. Driverless cars won't be good for the environment if they lead to more auto use
  17. New insights from biology can help overcome siloed thinking in cancer clinical trials and treatment
  18. Omicron makes booster shots more critical for medically vulnerable seniors
  19. 5 tips to help preschoolers with special needs during the pandemic
  20. A new treatment helped frogs regenerate their amputated legs – taking science one step closer to helping people regrow their body parts, too
  21. What is a bomb cyclone? An atmospheric scientist explains
  22. Gut microbes help hibernating ground squirrels emerge strong and healthy in spring
  23. The moderate, pragmatic legacy of Stephen Breyer
  24. Famine, subjugation and nuclear fallout: How Soviet experience helped sow resentment among Ukrainians toward Russia
  25. How is snowfall measured? A meteorologist explains how volunteers tally up winter storms
  26. Where are all the substitute teachers?
  27. How real is 'Abbott Elementary?' A former Philadelphia school teacher weighs in
  28. Behind the 11 Oath Keepers charged with sedition are many more who have been trained by the US military
  29. West Elm Caleb and the rise of the TikTok tabloid
  30. Youth largely underestimate the risks of contracting STIs through oral sex, a new study finds
  31. Is the omicron variant Mother Nature’s way of vaccinating the masses and curbing the pandemic?
  32. Federal Reserve plans to raise interest rates 'soon' to fight inflation: What that means for consumers and the economy
  33. Stephen Breyer is set to retire – should his replacement on the Supreme Court have a term limit?
  34. Russia could unleash disruptive cyberattacks against the US – but efforts to sow confusion and division are more likely
  35. 'Teaching has always been hard, but it's never been like this' – elementary school teachers talk about managing their classrooms during a pandemic
  36. The herbicide dicamba was supposed to solve farmers' weed problems – instead, it's making farming harder for many of them
  37. New federal wildfire plan is ambitious – but the Forest Service needs more money and people to fight the growing risks
  38. US has taken FARC off its terrorist list, giving insight into Biden's foreign policy
  39. Russia's recent invasions of Ukraine and Georgia offer clues to what Putin might be thinking now
  40. It's just a 'panic attack' – Russian media blames US for escalating Ukraine crisis
  41. The pandemic changed death rituals and left grieving families without a sense of closure
  42. When will the COVID-19 pandemic end? 4 essential reads on past pandemics and what the future could bring
  43. Does it really empower women to expect them to make the first move?
  44. What is the best mask for COVID-19? A mechanical engineer explains the science after 2 years of testing masks in his lab
  45. How this cycle of redistricting is making gerrymandered congressional districts even safer and undermining majority rule
  46. How 5G puts airplanes at risk – an electrical engineer explains
  47. The US military presence in Europe has been declining for 30 years – the current crisis in Ukraine may reverse that trend
  48. From odor to action – how smells are processed in the brain and influence behavior
  49. Life's stages are changing -- we need new terms and new ideas to describe how adults develop and grow
  50. Offshore wind farms could help capture carbon from air and store it long-term – using energy that would otherwise go to waste