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The Conversation

Electric heat pumps use much less energy than furnaces, and can cool houses too – here's how they work

  • Written by Robert Brecha, Professor of Sustainability, University of Dayton
imageHeating or cooling? I do both.FanFan61618/Flickr, CC BY-SA

To help curb climate change, President Biden has set a goal of lowering U.S. greenhouse gas emissions 50%-52% below 2005 levels by 2030. Meeting this target will require rapidly converting as many fossil fuel-powered activities to electricity as possible, and then generating that...

Read more: Electric heat pumps use much less energy than furnaces, and can cool houses too – here's how they...

8 ways to manage body image anxiety after lockdown

  • Written by Tracy Tylka, Professor of Psychology, The Ohio State University
imageEngaging with people who accept and appreciate your body as it is can help you feel more at peace with how you look.Hinterhaus Productions/DigitalVision via Getty Images

Being able to socialize again may bring enthusiasm and a sense of normalcy – but it may also increase anxiety over how your body might have changed.

I am a psychologist who...

Read more: 8 ways to manage body image anxiety after lockdown

Summer reading: 5 books for young people that deal with race

  • Written by Sarah J. Donovan, Assistant Professor of Secondary English Education, Oklahoma State University
imageReading diverse books can help young adults understand conversations around race better. Klaus Vedfelt/DigitalVision

With a national debate raging about how – or even if – teachers should discuss race in their classrooms, many educators may find themselves uncertain about how to navigate the subject of race.

Parents may also find it...

Read more: Summer reading: 5 books for young people that deal with race

NASA is returning to Venus to learn how it became a hot poisonous wasteland – and whether the planet was ever habitable in the past

  • Written by Paul K. Byrne, Associate Professor of Planetary Science, North Carolina State University
imageTwo new NASA missions hope to answer important questions about Venus' past.NASA/JPL/USGS

NASA is finally headed back to Venus. On June 2, 2021, NASA Administrator Bill Nelson announced that the agency had selected two winners of its latest Discovery class spacecraft mission competition, and both are headed to the second planet from the Sun.

I’...

Read more: NASA is returning to Venus to learn how it became a hot poisonous wasteland – and whether the...

Opioid overdoses spiked during the COVID-19 pandemic, data from Pennsylvania show

  • Written by Brian King, Professor, Department of Geography, Penn State

Since the first diagnosed case of COVID-19 in the United States on Jan. 20, 2020, news about infection rates, deaths and pandemic-driven economic hardships has been part of our daily lives.

But there is a knowledge gap in how COVID-19 has affected a public health crisis that existed before the pandemic: the opioid epidemic. Prior to 2020, an...

Read more: Opioid overdoses spiked during the COVID-19 pandemic, data from Pennsylvania show

New technologies claiming to copy human milk reuse old marketing tactics to sell baby formula and undermine breastfeeding

  • Written by Cecília Tomori, Associate Professor and Director of Global Public Health and Community Health, Johns Hopkins University School of Nursing
imageDespite claims to the contrary, the real thing cannot be replicated.Jose Luis Pelaez Inc/DigitalVision via Getty Images

New products that claim to replicate mother’s milk have entered the lucrative market for infant formula.

To an anthropologist and public health scholar who studies breastfeeding, these claims appear to be built on old...

Read more: New technologies claiming to copy human milk reuse old marketing tactics to sell baby formula and...

Why do cats knead with their paws?

  • Written by Julia Albright, Associate Professor of Veterinary Medicine, University of Tennessee
imageA behavior from kittenhood persists in many adult cats. Byron Chin/flickr, CC BY-NC-SAimage

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 do cats like to pat their paws on a soft blanket? – Anonymous

Do you ever see your cat shifting...

Read more: Why do cats knead with their paws?

What's the G-7? An international economist explains

  • Written by Emily J. Blanchard, Associate Professor of Economics, Dartmouth College
imageTwo members of the G-7 exchange an elbow bump. Phil Noble, Pool via AP

The Group of 7 is an informal group of seven powerful democracies: Canada, France, Germany, Italy, Japan, the United Kingdom and the United States. The presidents of the European Commission and European Council also attend G-7 meetings because several of Europe’s largest...

Read more: What's the G-7? An international economist explains

Shipping is tough on the climate and hard to clean up – these innovations can help cut emissions

  • Written by Jing Sun, Professor and Department Chair, Naval Architecture and Marine Engineering, University of Michigan
imageShipping is responsible for a large portion of global emissions.William William/Unsplash, CC BY

Ships carry more than 80% of world trade, and they rely heavily on some of the least environmentally friendly transportation fuels available.

There are no cheap, widely available solutions that can lower the shipping industry’s planet-warming...

Read more: Shipping is tough on the climate and hard to clean up – these innovations can help cut emissions

Middle-aged Americans in US are stressed and struggle with physical and mental health – other nations do better

  • Written by Frank J. Infurna, Associate Professor of Psychology, Arizona State University
imageMiddle age was often a time to enjoy life. Now, it brings stress and bad health to many Americans, especially those with lower education levels.Mike Harrington/Getty Images

Midlife was once considered a time to enjoy the fruits of one’s years of work and parenting. That is no longer true in the U.S.

Deaths of despair and chronic pain among...

Read more: Middle-aged Americans in US are stressed and struggle with physical and mental health – other...

More Articles ...

  1. Over half of adults unvaccinated for COVID-19 fear needles – here's what's proven to help
  2. From abortion and porn to women and race: How Southern Baptist Convention resolutions have evolved
  3. Why the legacy of Billy Graham continues to endure: 3 essential reads
  4. 'In the Heights' celebrates the resilience Washington Heights has used to fight the COVID-19 pandemic
  5. Sports writers could ditch the 'clown questions' and do better when it comes to press conferences
  6. Historic change: Arab political parties are now legitimate partners in Israel's politics and government
  7. Tribal colleges empower Native students with an affordable, culturally relevant education – but need more funding
  8. What are 'ghost guns,' a target of Biden's anti-crime effort?
  9. Women are as likely as men to accept a gender pay gap if they benefit from it
  10. A new reason Americans are getting leery of billionaire donors
  11. Working with dangerous viruses sounds like trouble – but here's what scientists learn from studying pathogens in secure labs
  12. Parking reform could reenergize downtowns – here's what happened when Buffalo changed its zoning rules
  13. Alcohol companies make $17.5 billion a year off of underage drinking, while prevention efforts are starved for cash
  14. The FDA's big gamble on the new Alzheimer's drug
  15. Here's what I tell teachers about how to teach young students about slavery
  16. Is tax avoidance ethical? Asking on behalf of a few billionaire friends
  17. Senator Warren's wealth tax might prevent billionaires from paying nearly nothing in taxes – but it's probably not constitutional
  18. 535 new fast radio bursts help answer deep questions about the universe and shed light on these mysterious cosmic events
  19. Lack of burial space is changing age-old funeral practices, and in Japan 'tree burials' are gaining in popularity
  20. COVID-19 messages make emergency alerts just another text in the crowd on your home screen
  21. How Joe Biden could increase pressure on Vladimir Putin if their June 16 meeting fails to deter Russia's 'harmful' behavior
  22. A volcanic eruption 39 million years ago buried a forest in Peru – now the petrified trees are revealing South America's primeval history
  23. Protesters marching in Elizabeth City, N.C., over Andrew Brown's killing are walking in the footsteps of centuries of fighters for Black rights
  24. Vacuna contra VIH/SIDA: ¿Por qué no hay una después de 37 años, pero ya tenemos varias para COVID en solo unos meses?
  25. Supreme Court weighs voting rights in a pivotal Arizona case
  26. Restoring land around abandoned oil and gas wells would free up millions of acres of forests, farmlands and grasslands
  27. Bringing tech innovation to wildfires: 4 recommendations for smarter firefighting as megafires menace the US
  28. 3 ways schools can improve STEM learning for Black students
  29. Intensive tutoring, longer school days and summer sessions may be needed to catch students up after the pandemic
  30. As more climate migrants cross borders seeking refuge, laws will need to adapt
  31. Emily Wilder and journalism's longstanding Achilles' heel – partisans who cry bias
  32. Mexican president suffers setback in country's deadliest election in decades
  33. Congress considers future of the military draft, while Supreme Court holds off
  34. I'm fully vaccinated – should I keep wearing a mask for my unvaccinated child?
  35. What the Ottoman Empire can teach us about the consequences of climate change – and how drought can uproot peoples and fuel warfare
  36. 'Bride kidnapping' haunts rural Kyrgyzstan, causing young women to flee their homeland
  37. 'Lady of Guadalupe' avoids tough truths about the Catholic Church and Indigenous genocide
  38. How virus detectives trace the origins of an outbreak – and why it's so tricky
  39. Study shows AI-generated fake reports fool experts
  40. Why are some mushrooms poisonous?
  41. Are companies that support Pride and other social causes 'wokewashing'?
  42. Why it matters that 7 states still have bans on atheists holding office
  43. IRS hitting you with a fine or late fee? Don't fret – a consumer tax advocate says you still have options
  44. El Salvador's façade of democracy crumbles as president purges his political opponents
  45. 4 new findings shed light on crowdfunding for charity
  46. Supreme Court affirms tribal police authority over non-Indians
  47. I’m fully vaccinated but feel sick – should I get tested for COVID-19?
  48. Nearly 10% of youth in one urban school district identify as gender-diverse, new study finds
  49. Naomi Osaka's withdrawal from the French Open highlights how prioritizing mental wellness goes against the rules, on the court and off
  50. Belarus plane hijacking snarls Biden's hopes to repair strained US-Russia relationship