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Why do hammerhead sharks have hammer-shaped heads?

  • Written by Gavin Naylor, Director of Florida Program for Shark Research, University of Florida
imageA great hammerhead shark's two eyes can be 3 feet apart on opposite sides of its skull.Ken Kiefer 2/Image Source via Getty Imagesimage

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 hammerhead sharks have hammer-shaped heads? –...

Read more: Why do hammerhead sharks have hammer-shaped heads?

Overturning Roe is not making laws reflect what people want -- new survey highlights flaws in Supreme Court's reasoning in returning abortion authority to states

  • Written by Matthew A Baum, Marvin Kalb Professor of Global Communications & Professor of Public Policy, Harvard Kennedy School
imageThe Savannah Medical Clinic, which provided abortions for four decades in Savannah, Ga., is closed now. AP Photo/Russ Bynum

Since the Supreme Court’s Dobbs decision that overturned the constitutional right to an abortion, multiple states have enacted laws prohibiting or restricting women from obtaining an abortion.

Justice Samuel Alito,...

Read more: Overturning Roe is not making laws reflect what people want -- new survey highlights flaws in...

Alcohol use more likely among Black youths at racially segregated schools

  • Written by Guangyi Wang, Research Specialist, University of California, San Francisco
imageCould structural racism in U.S. schools lead more young African Americans to drink?Jose A. Bernat Bacete / Getty Images

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

The big idea

Black youths who attend racially segregated schools are more likely to have drinking and behavior problems during childhood than Black youths in less...

Read more: Alcohol use more likely among Black youths at racially segregated schools

Polio in New York – an infectious disease doctor explains this exceedingly rare occurrence

  • Written by William Petri, Professor of Medicine, University of Virginia
imagePolio is endemic only in Afghanistan and Pakistan in 2022.Sarah Poser, Meredith Boyter Newlove/CDC via AP

The first case of polio in the U.S. since 2013 was announced by New York state health officials on July 21, 2022. The U.S. resident had not been vaccinated.

Polio was a common cause of paralysis in children before safe and effective vaccines...

Read more: Polio in New York – an infectious disease doctor explains this exceedingly rare occurrence

Sri Lanka's crisis: Can the South Asian economy break from the past and find a route to stability?

  • Written by Vidhura S Tennekoon, Assistant Professor of Economics, Indiana University
imageThe writing was on the wall in Sri Lanka.Arun Sankar/AFP via Getty Images

Sri Lanka has a new president and prime minister – but a change in who leads the crisis-hit South Asian nation alone will not solve the country’s severe economic problems.

Ranil Wickremesinghe – who on July 20, 2022, was voted in by lawmakers to replace...

Read more: Sri Lanka's crisis: Can the South Asian economy break from the past and find a route to stability?

Surveillance is pervasive: Yes, you are being watched, even if no one is looking for you

  • Written by Peter Krapp, Professor of Film & Media Studies, University of California, Irvine
imageVideo cameras on city streets are only the most visible way your movements can be tracked.AP Photo/Mel Evans

The U.S. has the largest number of surveillance cameras per person in the world. Cameras are omnipresent on city streets and in hotels, restaurants, malls and offices. They’re also used to screen passengers for the Transportation...

Read more: Surveillance is pervasive: Yes, you are being watched, even if no one is looking for you

Italy heading to snap election as unity coalition crumbles: Explaining the nation's fragmented party system

  • Written by Carol Mershon, Professor of Politics, University of Virginia
imageMario Draghi: prime minister of a unity government in disunity.Riccardo De Luca/Anadolu Agency via Getty Images

Italian Prime Minister Mario Draghi resigned for a second time in a week on July 21, 2022, after his earlier attempt to step down was rejected by the country’s president.

This time, President Sergio Mattarella responded by dissolving...

Read more: Italy heading to snap election as unity coalition crumbles: Explaining the nation's fragmented...

How a 1989 poster became a fixture on the front lines in the battle over abortion rights

  • Written by John Corso-Esquivel, Associate Professor of Art History, Davidson College

For abortion rights advocates, Barbara Kruger’s iconic feminist image “Untitled (Your body is a battleground)” remains as relevant today as when it was first released in 1989.

Following the May 2, 2022, leak of Supreme Court Associate Justice Samuel Alito’s anti-abortion draft decision, Google searches for Kruger spiked. Sear...

Read more: How a 1989 poster became a fixture on the front lines in the battle over abortion rights

How to navigate self-managed abortion issues such as access, wait times and complications – a family physician explains

  • Written by Grace Shih, Associate Professor of Family Medicine, School of Medicine, University of Washington
imageWhen abortion care is restricted, demand for abortion pills goes up.Peter Dazeley/The Image Bank via Getty Images

“Are these pills legit? If I send money, am I even going to get these pills?”

These are the kinds of questions people have when they are curious about ordering medication abortion pills online.

This process, often called...

Read more: How to navigate self-managed abortion issues such as access, wait times and complications – a...

Utah's Pioneer Day celebrates Mormons' trek west – but there's a lot more to the history of Latter-day Saints and migration

  • Written by Jeffrey Turner, Ph.D. Candidate in U.S. History, University of Utah
imageA couple rides on a float with a handcart during the parade for Pioneer Day, an annual Utah holiday, on July 24, 2019, in Salt Lake City. AP Photo/Rick Bowmer

Each July 24, the state of Utah celebrates “Pioneer Day.” There are parades, rodeos, fireworks, a marathon, hikes and historical outfits, plus lots of red, white and blue –...

Read more: Utah's Pioneer Day celebrates Mormons' trek west – but there's a lot more to the history of...

More Articles ...

  1. Food expiration dates don't have much science behind them – a food safety researcher explains another way to know what's too old to eat
  2. Jan. 6 committee set to examine Trump's connection to Capitol rioters – a militia expert explains this complex relationship
  3. Supreme Court reversed almost 200 years of US law and tradition upholding tribal sovereignty in its latest term
  4. Silent, subtle and unseen: How seizures happen and why they're hard to diagnose
  5. It’s a myth that sunscreen prevents melanoma in people of color – a dermatologist explains
  6. Losing a grandmother can have long-lasting mental health effects for kids and adolescents, a new study finds
  7. Human garbage is a plentiful but dangerous source of food for polar bears finding it harder to hunt seals on dwindling sea ice
  8. Warsaw Ghetto's defiant Jewish doctors secretly documented the medical effects of Nazi starvation policies in a book recently rediscovered on a library shelf
  9. Why are drug names so long and complicated? A pharmacist explains the logic behind the nomenclature
  10. The westward spread of zebra and quagga mussels shows how tiny invaders can cause big problems
  11. Heat risk and young athletes — rising temperatures lead to lawsuits and environmental injustice
  12. Behind the crisis in Sri Lanka – how political and economic mismanagement combined to plunge nation into turmoil
  13. When did the first fish live on Earth – and how do scientists figure out the timing?
  14. Political crowdfunding does more than raise money – it can also rile up opponents
  15. Children are bombarded with violence in the news – here's how to help them cope
  16. Lost touch with someone? Reach out – your friend will likely appreciate it more than you think
  17. Abortion funds may not be able to keep up with rising demands, as more people travel out of state for the procedure
  18. To reduce harmful algal blooms and dead zones, the US needs a national strategy for regulating farm pollution
  19. Shinto religion has long been entangled with Japan's politics – and Shinzo Abe was associated with many of its groups
  20. The Supreme Court's ideological rulings are roiling US politics – just as when Lincoln and his Republicans remade the court to fit their agenda
  21. Is monkeypox a pandemic? An epidemiologist explains why it isn’t likely to become as widespread as COVID-19, but is worth watching
  22. How sustainable manufacturing could help reduce the environmental impact of industry
  23. More young voters could come out to vote in November, sparked by abortion and other hot political issues
  24. Young people in the Middle East struggle to see a promising future
  25. Monsters are everywhere in the Bible – and some are even human
  26. Y chromosome loss through aging can lead to an increased risk of heart failure and death from cardiovascular disease, new research finds
  27. Swelling grocery bills are pummeling the poorest – who spend over a quarter of their incomes on food
  28. Decrying Nazism – even when it's not there – has been Russia's 'Invade country for free' card
  29. Enriching uranium is the key factor in how quickly Iran could produce a nuclear weapon – here's where it stands today
  30. With Trump's role on Jan. 6 becoming clearer, and potentially criminal, GOP voters are starting to look at different options
  31. France reenters medical marijuana industry after more than a half-century hiatus – a cannabis historian explains
  32. Manuscripts and art support archaeological evidence that syphilis was in Europe long before explorers could have brought it home from the Americas
  33. Cannabis prohibition in France over the past 50 years has disproportionately punished its Muslim minority
  34. A case for retreat in the age of fire
  35. James Webb Space Telescope: An astronomer explains the stunning, newly released first images
  36. Former Oath Keeper reveals racist, antisemitic beliefs of white nationalist group – and their plans to start a civil war
  37. US abortion restrictions are unlikely to influence international trends, which are largely becoming more liberal
  38. Gifted-student screenings often miss poor students who should qualify
  39. D.B. Cooper, the changing nature of hijackings and the foundation for today's airport security
  40. June jobs report suggests Fed could avoid a recession – but room for error is minuscule
  41. NASA's head warned that China may try to claim the Moon – two space scholars explain why that's unlikely to happen
  42. Cassidy Hutchinson and Greek tragedy show that courage is rare and cowardice more common
  43. Biopsies confirm a breast cancer diagnosis after an abnormal mammogram – but structural racism may lead to lengthy delays
  44. Roe v. rap: Hip-hop artists have long wrestled with reproductive rights
  45. What is originalism? Did it underpin the Supreme Court's ruling on abortion and guns? Debunking the myths
  46. Cotton breeders are using genetic insights to make this global crop more sustainable
  47. There is no one Islamic interpretation on ethics of abortion, but the belief in God's mercy and compassion is a crucial part of any consideration
  48. Boris Johnson's messy political legacy of lies, scandals and delivering Brexit to his base
  49. Scapegoating rap hits new low after July Fourth mass shooting
  50. No, submitting junk data to period tracking apps won't protect reproductive privacy