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Space missions are getting more complex − lessons from Amazon and FedEx can inform satellite and spacecraft management in orbit

  • Written by Koki Ho, Associate Professor of Aerospace Engineering, Georgia Institute of Technology
imageAs companies develop satellite constellations as shown in this illustration, they'll need to repair satellites in orbit. NOIRLab/NSF/AURA/P. Marenfeld, CC BY-ND

Most space mission systems historically have used one spacecraft designed to complete an entire mission independently. Whether it was a weather satellite or a human-crewed module like...

Read more: Space missions are getting more complex − lessons from Amazon and FedEx can inform satellite and...

China leans into using AI − even as the US leads in developing it

  • Written by Shaoyu Yuan, Dean's Fellow at the Division of Global Affairs, Rutgers University - Newark
imageThe Chinese government has made extensive use of existing AI technologies, including for surveillance.Peter Parks/AFP via Getty Images

In the competitive arena of global technology, China’s ambitions in artificial intelligence stand out – not just for their scale but for their distinct strategic approach.

In 2017, the Chinese Communist...

Read more: China leans into using AI − even as the US leads in developing it

America’s Iran policy is a failure − piecemeal deterrence and sanctions can go only so far

  • Written by Arie Perliger, Director of Security Studies and Professor of Criminology and Justice Studies, UMass Lowell

The escalating conflict between Israel and Iran in recent months is frequently explained as another extension of Israel’s war on Hamas in Gaza. After all, Hamas enjoys a close relationship with Iran, and both share the goal of eliminating the Jewish state.

But there’s more to it than that.

As a scholar of security studies who has...

Read more: America’s Iran policy is a failure − piecemeal deterrence and sanctions can go only so far

Democratic Party’s embrace of organized labor in 2024 elections has long roots that had started to wither

  • Written by Robert Forrant, Professor of U.S. History and Labor Studies, UMass Lowell
imageDelegates cheer during the Democratic National Convention on Aug. 19, 2024, in Chicago.AP Photo/Paul Sancya

I wonder what my dad, a butcher and a die-hard union man, would think about the state of our country’s political affairs. Is it “Morning in America” as Ronald Reagan exclaimed? “American Carnage” as Donald Trump...

Read more: Democratic Party’s embrace of organized labor in 2024 elections has long roots that had started to...

Los Angeles is in a 4-year sprint to deliver a car-free 2028 Olympics

  • Written by Jay L. Zagorsky, Associate Professor of Markets, Public Policy and Law, Boston University
imageLos Angeles Mayor Karen Bass waves an Olympic flag on her return from the closing ceremony of the Paris games, Aug. 12, 2024.tienne Laurent/AFP via Getty Images

With the Olympic torch extinguished in Paris, all eyes are turning to Los Angeles for the 2028 Olympics.

The host city has promised that the next Summer Games will be “car-free.”...

Read more: Los Angeles is in a 4-year sprint to deliver a car-free 2028 Olympics

Politicians step up attacks on the teaching of scientific theories in US schools

  • Written by Ryan Summers, Associate Professor of Science Education, University of North Dakota
imageCurrent efforts to stifle scientific theories in school are reminiscent of the attacks on the teaching of the theory of evolution. iStock / Getty Images Plus

Scientific theory has had a rough time in America’s public schools.

Almost 100 years ago, science teacher John Scopes was convicted of violating a Tennessee law that prohibited teaching...

Read more: Politicians step up attacks on the teaching of scientific theories in US schools

Do Charli XCX’s and Kid Rock’s endorsements make a difference? 19% of young people admit they might

  • Written by Richard T. Longoria, Associate Professor of Political Science, University of Texas Rio Grande Valley
imageSinger Megan Thee Stallion performs at a Kamala Harris rally in Atlanta on July 30, 2024. Megan Varner/Getty Images

British pop star Charli XCX sent many young people’s group text chats and social media feeds wild when she endorsed Kamala Harris by playing off a term she coined in a song, and posted on X, that “kamala IS brat.”

Whi...

Read more: Do Charli XCX’s and Kid Rock’s endorsements make a difference? 19% of young people admit they might

AI pioneers want bots to replace human teachers – here’s why that’s unlikely

  • Written by Annette Vee, Associate Professor of English, University of Pittsburgh
imageHistory shows technological solutions in education often fall flat. Alexander Sikov via Getty Images

OpenAI co-founder Andrej Karpathy envisions a world in which artificial intelligence bots can be made into subject matter experts that are “deeply passionate, great at teaching, infinitely patient and fluent in all of the world’s...

Read more: AI pioneers want bots to replace human teachers – here’s why that’s unlikely

Blood sugar fluctuations after eating play an important role in anxiety and depression

  • Written by Mary Scourboutakos, Family Medicine Resident and Nutrition Expert, Eastern Virginia Medical School
imageConsuming these types of foods regularly can contribute to mental health risks. Dan Kitwood/Getty Images News via Getty Images

The proverbial “sugar high” that follows the ingestion of a sweet treat is a familiar example of the potentially positive effects of food on mood.

On the flip side, feeling “hangry” – the...

Read more: Blood sugar fluctuations after eating play an important role in anxiety and depression

The mystic and the mathematician: What the towering 20th-century thinkers Simone and André Weil can teach today’s math educators

  • Written by Scott Taylor, Professor of Mathematics, Colby College
imageAndré Weil (left, in 1956) and Simone Weil (in 1922) were siblings who became prominent in mathematics and philosophy, respectively.Konrad Jacobs (right) and Anonymous (left) via Wikimedia Commons, CC BY-SA

Like most mathematicians, I hear confessions from complete strangers: the inevitable “I was always bad at math.” I suppress...

Read more: The mystic and the mathematician: What the towering 20th-century thinkers Simone and André Weil...

More Articles ...

  1. Readers prefer to click on a clear, simple headline − like this one
  2. 75 years ago, the KKK and anti-communists teamed up to violently stop a folk concert in NY
  3. Does Democratic VP candidate Walz swear too damn much?
  4. Sharks are taking a bite out of anglers’ catch in the Gulf of Mexico, but culling isn’t likely to help
  5. Biden administration’s negotiated price cuts for 10 common prescription drugs likely to save Medicare billions, beginning in 2026
  6. Why don’t more politicians retire? A medical anthropologist explains how the US could benefit from a mandatory retirement age
  7. Could we use volcanoes to make electricity?
  8. Ancient Rome had ways to counter the urban heat island effect – how history’s lessons apply to cities today
  9. Astronomers have warned against colonial practices in the space industry − a philosopher of science explains how the industry could explore other planets without exploiting them
  10. Anthropology students present their research in poetry, plays and op-eds in this course
  11. Who is the ‘Laughing Buddha’? A scholar of East Asian Buddhism explains
  12. Banana apocalypse, part 2 – a genomicist explains the tricky genetics of the fungus devastating bananas worldwide
  13. US voters say they’re ready for a woman president − but sexist attitudes still go along with opposition to Harris
  14. Editing fetal genomes is on the horizon − a medical anthropologist explains why ethical discussions with the target communities should happen sooner rather than later
  15. His crayon is purple – but is Harold a Black boy?
  16. Most young voters support Kamala Harris − but that doesn’t guarantee they will show up at the polls
  17. Complicated app settings are a threat to user privacy
  18. West Nile virus season returns − a medical epidemiologist explains how it’s transmitted and how you can avoid it
  19. Hard-to-treat traumas and painful memories may be treatable with EMDR – a trauma therapist explains why it is gaining popularity
  20. US has its first national strategy to reduce plastic pollution − here are 3 strong points and a key issue to watch
  21. US military presence in Syria carries substantial risks, but so does complete withdrawal
  22. What is mpox? A microbiologist explains what’s known about this smallpox cousin
  23. In praise of the weird
  24. Catholics are debating whether to remove paintings by a priest accused of abusing women − but let’s not confuse the artist and the art, writes an art historian
  25. Real-time crime centers are transforming policing – a criminologist explains how these advanced surveillance systems work
  26. Chicagoans watch films of the violent 1968 convention protests to get ready for the Democratic convention
  27. Hispanic women are less likely to get PrEP treatment − new intervention could change that
  28. Raising the retirement age won’t defuse China’s demographic time bomb – but mass immigration might
  29. Trees compete for space, light and resources, and those clashes can leave battle scars
  30. Students with mental health struggles linked to absenteeism and lower grades, showing clear need for more in-school support
  31. Local elections are less partisan because voters will cross party lines when issues hit close to home
  32. Kamala Harris’ sudden political rise echoes that of another female politician, New Zealand’s Jacinda Ardern
  33. How back-to-back hurricanes set off a year of compounding disasters for one city − and alarm bells about risks in a warming world
  34. 3 years after fall of Kabul, US Congress has still not acted to secure future of more than 70,000 Afghan evacuees in US
  35. Ukraine’s cross-border incursion challenges Moscow’s war narrative – but will it shift Russian opinion?
  36. Historians diving for balloons and hoping for hot dish: What Smithsonian curators will be doing at the Democratic National Convention
  37. Offensive names dot the American street map − a new app provides a way to track them
  38. Americans love free speech, survey finds − until they realize everyone else has it, too
  39. Fluid keeps your brain from crushing itself and shields your spine from shock – a neurologist explains what happens when it stops working
  40. Future lawyers learn key lessons from studying poetry in parks in this course
  41. Philly schools are in disrepair − the municipal bond market is 1 big reason
  42. 3 of Jane Austen’s 6 brothers engaged in antislavery activism − new research offers more clues about her own views
  43. Kamala, a common name in India, is associated with several deities and is a symbol of wisdom
  44. LGBTQ people have a troubled relationship with police − new survey shows high rates of harassment, abuse and distrust
  45. Even fictional presidents don’t look like Kamala Harris − although Black men and white women have been represented in the Oval Office
  46. SpaceX’s Elon Musk endorsed Donald Trump for president – what this could mean for US space policy
  47. Hotel guests are getting used to refillable shampoos and less housekeeping, study suggests
  48. International students will offer a big boost to the US economy this back-to-school season
  49. How Ohio schools reduced chronic absenteeism
  50. Wildfires don’t just burn farmland − they can contaminate the water farmers use to irrigate crops and support livestock