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That sharp, green smell of freshly cut grass? It’s a plant’s cry for help – and it may work as a less toxic pesticide for farmers

  • Written by Sasimonthakan Tanarsuwongkul, Ph.D. Candidate in Biochemistry, University of South Carolina
imageGreen leaf volatiles are a plant's rapid response to threats.Star61/Wikimedia Commons, CC BY-SA

Have you ever wondered about that sharp, green note that hits your nose when you mow the lawn or cut flower stems? Those are green leaf volatiles, or GLVs: easily evaporated oils that plants use to communicate with other plants and defend themselves...

Read more: That sharp, green smell of freshly cut grass? It’s a plant’s cry for help – and it may work as a...

Popularly known as ‘gas station heroin,’ tianeptine is being sold as a dietary supplement – with deadly outcomes

  • Written by C. Michael White, Distinguished Professor of Pharmacy Practice, University of Connecticut
imageNeptune's Fix, a tianeptine-containing "Elixir" as it's labeled, is one of the most common of these products.U.S. Food and Drug Administration

The Food and Drug Administration is upping the urgency of its warnings for consumers to avoid purchasing or consuming tianeptine – commonly called “gas station heroin” – a synthetic...

Read more: Popularly known as ‘gas station heroin,’ tianeptine is being sold as a dietary supplement – with...

What latest polling says about the mood in Ukraine – and the desire to remain optimistic amid the suffering

  • Written by Gerard Toal, Professor of Government and International Affairs, Virginia Tech
imageUkrainians observe a minute of silence in Kyiv on Oct. 1, 2023.Libkos/Getty Images

Ukrainians have endured war for nearly two years. Since the Russian invasion of Feb. 24, 2022, more than 6.3 million Ukrainians have fled the country, while an estimated 3.7 million are internally displaced.

The war has had damaging geopolitical and ecological...

Read more: What latest polling says about the mood in Ukraine – and the desire to remain optimistic amid the...

Who created the alphabet? A historian describes the millennia-long story of the ABCs

  • Written by Jane Sancinito, Assistant Professor of History, UMass Lowell
imageCreating the alphabet took thousands of years.kovalchuk/iStock via Getty Images Plusimage

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.

Who created the alphabet and decided its order? – Priti C., age 12, Mumbai, India

A, B, C, D, E, F, G...

Read more: Who created the alphabet? A historian describes the millennia-long story of the ABCs

When is criticism of Israel antisemitic? A scholar of modern Jewish history explains

  • Written by Joshua Shanes, Professor of Jewish Studies, College of Charleston
imageAntisemitic incidents have spiked in recent months.AP Photo/Nicolas Landemard

There has been a sharp increase in antisemitism around the world since the Oct. 7, 2023, massacre by Hamas and Israel’s subsequent military attacks in the Gaza Strip.

The apparent connection of this spike to many countries’ condemnation of Israel’s...

Read more: When is criticism of Israel antisemitic? A scholar of modern Jewish history explains

Colorado voters seeking to disqualify Trump from the ballot tell Supreme Court Jan. 6 ‘will forever stain’ US history

  • Written by Wayne Unger, Assistant Professor of Law, Quinnipiac University
imageSupporters of President Donald Trump climb the west wall of the U.S. Capitol on Jan. 6, 2021. AP Photo/Jose Luis Magana

The plaintiffs seeking to remove former President Donald Trump from Colorado’s 2024 presidential election ballots filed their brief to the U.S. Supreme Court on Jan. 26, 2024. They asked the court to uphold the ruling by...

Read more: Colorado voters seeking to disqualify Trump from the ballot tell Supreme Court Jan. 6 ‘will...

UN court ruling against Israel shows limits of legal power to prevent genocide − but rapid speed

  • Written by Victor Peskin, Associate professor of politics and global studies, Arizona State University
imageInternational Court of Justice President Joan Donoghue, center, and other judges arrive prior to the preliminary order announcement on Jan. 26, 2024. Remko De Waal/ANP/AFP via Getty Images

The International Court of Justice ordered Israel on Jan. 26, 2024, to prevent possible genocide against Palestinians in Gaza. But the court did not call for a...

Read more: UN court ruling against Israel shows limits of legal power to prevent genocide − but rapid speed

In the market for a car? Soon you’ll be able to buy a Hyundai on Amazon − and only a Hyundai

  • Written by Vivek Astvansh, Associate Professor of Quantitative Marketing and Analytics, McGill University
imageHyundai and Amazon announced a big partnership in November 2023.Robyn Beck/AFP/Getty Images

This is the year you can finally buy a car on Amazon. Well, one kind. Eventually.

On Nov. 16, 2023, at the Los Angeles Auto Show, Amazon and Hyundai made a big announcement: Starting sometime in 2024, a new pilot program would let shoppers not only browse...

Read more: In the market for a car? Soon you’ll be able to buy a Hyundai on Amazon − and only a Hyundai

Most state abortion bans have limited exceptions − but it’s hard to understand what they mean

  • Written by Naomi Cahn, Professor of Law, University of Virginia
imageWomen who were denied abortions, despite serious pregnancy complications, appear outside the Texas Supreme Court in November 2023, following arguments in a lawsuit they brought against the state. Suzanne Cordeiro/AFP via Getty Images

More than a year after the Supreme Court found there is no fundamental right to get an abortion, 21 states have...

Read more: Most state abortion bans have limited exceptions − but it’s hard to understand what they mean

France’s biggest Muslim school went from accolades to defunding – showing a key paradox in how the country treats Islam

  • Written by Carol Ferrara, Anthropologist & Assistant Professor, Department of Marketing Communication, Emerson College
imageStudents attend a class at the Averroès school in Lille, France, in September 2023.Sameer Al-Doumy/AFP via Getty Images

France is famously strict on enforcing what it calls “laïcité”: keeping religion out of the public sphere. Yet more than 7,500 private schools receive government funding, and most are Catholic. In a...

Read more: France’s biggest Muslim school went from accolades to defunding – showing a key paradox in how the...

More Articles ...

  1. Our sense of taste helps pace our eating – understanding how may lead to new avenues for weight loss
  2. Treatment can do more harm than good for prostate cancer − why active surveillance may be a better option for some
  3. Why are so many robots white?
  4. What UAW backing means for Biden − and why the union’s endorsement took so long
  5. How to read a Supreme Court case: 10 tips for nonlawyers
  6. Thinking about work as a calling can be meaningful, but there can be unexpected downsides as well
  7. A Western-imposed peace deal in Ukraine risks feeding Russia’s hunger for land – as it did with Serbia
  8. ‘Strife in the courtroom’ − a former federal judge discusses Trump’s second trial for defaming E. Jean Carroll
  9. Could a court really order the destruction of ChatGPT? The New York Times thinks so, and it may be right
  10. Ice storms, January downpours, heavy snow, no snow: Diagnosing ‘warming winter syndrome’
  11. Nazi genocides of Jews and Roma were entangled from the start – and so are their efforts at Holocaust remembrance today
  12. How to protect your data privacy: A digital media expert provides steps you can take and explains why you can’t go it alone
  13. From New York to Jakarta, land in many coastal cities is sinking faster than sea levels are rising
  14. A newly identified ‘Hell chicken’ species suggests dinosaurs weren’t sliding toward extinction before the fateful asteroid hit
  15. Humans are depleting groundwater worldwide, but there are ways to replenish it
  16. In an ancient church in Germany, a 639-year organ performance of a John Cage composition is about to have its next note change
  17. Domestic woes put Kim Jong Un on the defensive – and the offensive – in the Korean Peninsula
  18. Combining two types of molecular boron nitride could create a hybrid material used in faster, more powerful electronics
  19. Pictures have been teaching doctors medicine for centuries − a medical illustrator explains how
  20. Healing from child sexual abuse is often difficult but not impossible
  21. Biden’s use of military in Yemen upsets congressional progressives, but fits with long tradition of presidents exercising commander in chief’s power
  22. 1 in 10 US workers belong to unions − a share that’s stabilized after a steep decline
  23. Fake Biden robocall to New Hampshire voters highlights how easy it is to make deepfakes − and how hard it is to defend against AI-generated disinformation
  24. Michigan selects its legislative redistricting commissioners the way the ancient Athenians did
  25. ¿Cuándo podemos dejar de preocuparnos por la subida de precios? El último informe sobre la inflación no ofrece respuestas fáciles
  26. La colada es una de las principales fuentes de contaminación por microplásticos: cómo limpiar la ropa de forma más sostenible
  27. Where do Israel and Hamas get their weapons?
  28. Nick Saban’s ‘epic era’ of coaching is over, but the exploitation of players in big-time college football is not
  29. A TikTok ‘expert’ says you have post-traumatic stress disorder − but do you? A trauma psychiatrist explains what PTSD really is and how to seek help
  30. Back in the USSR: New high school textbooks in Russia whitewash Stalin’s terror as Putin wages war on historical memory
  31. How much influence does Iran have over its proxy ‘Axis of Resistance’ − Hezbollah, Hamas and the Houthis?
  32. ‘Collective mind’ bridges societal divides − psychology research explores how watching the same thing can bring people together
  33. How the word ‘voodoo’ became a racial slur
  34. Why New Hampshire and Iowa don't make sense as the opening rounds of presidential campaigns
  35. Why New Hampshire and Iowa don’t make sense as the opening rounds of presidential campaigns
  36. Tiny water-walking bugs provide scientists with insights on how microplastics are pushed underwater
  37. Alcohol and drugs rewire your brain by changing how your genes work – research is investigating how to counteract addiction’s effects
  38. A surprising history of the 5th Circuit Court of Appeals, once a leader in expanding civil rights and now a leader in limiting government power
  39. New Hampshire voting doesn't look like other states − here's why that matters for the Republican primary
  40. Transgender regret? Research challenges narratives about gender-affirming surgeries
  41. ‘No cash accepted’ signs are bad news for millions of unbanked Americans
  42. 'No cash accepted' signs are bad news for millions of unbanked Americans
  43. Why do people have different tastes in music? A music education expert explains why some songs are universally liked, while others aren’t
  44. Think wine is a virtue, not a vice? Nutrition label information surprised many US consumers
  45. Congress is close to expanding the child tax credit again − with a smaller boost for families this time
  46. Breaking down fat byproducts could lead to healthier aging − researchers identify a key enzyme that does just that
  47. Untrained bystanders can administer drone-delivered naloxone, potentially saving lives of opioid overdose victims
  48. Urban agriculture isn't as climate-friendly as it seems – but these best practices can transform gardens and city farms
  49. Japan is now the 5th country to land on the Moon – the technology used will lend itself to future lunar missions
  50. Mac at 40: User experience was the innovation that launched a technology revolution