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From beef ribs to a ‘heavenly’ walk: Xi‑Trump summit symbolism underscored American power and Chinese tradition

From beef ribs to a ‘heavenly’ walk: Xi‑Trump summit symbolism underscored American power and Chinese tradition

A cultural historian of modern China explains the meaning behind some of the venue choices during President Donald Trump’s visit to Beijing.

previous day 2

The Conversation

Xianda Huang

Supreme Court preserves access to mifepristone via telehealth – at least for now

Supreme Court preserves access to mifepristone via telehealth – at least for now

The court’s decision sends the mifepristone case back to a lower court, which has signaled that it will continue its challenge to the legality of...

friday 1

The Conversation

Sonia Suter 

Trump‑Xi summit: Cautious progress on trade, ties and some ‘win‑wins’

Trump‑Xi summit: Cautious progress on trade, ties and some ‘win‑wins’

On the issue of contested island, both US and China appear happy to keep with the status quo. Meanwhile, the presence of US Defense chief hints at...

friday 1

The Conversation

Yan Bennett

More than just a critical blow to Keir Starmer and Labour, local votes signal a dis‑United Kingdom

More than just a critical blow to Keir Starmer and Labour, local votes signal a dis‑United Kingdom

The leading parties that have dominated British politics for decades are badly wounded, and nationalism is also rising in Wales, Scotland and Northern...

friday 1

The Conversation

Peter Rutland

America’s musical founding father: ‘Liberty songs’ by a self‑taught singer and tanner helped fuel the Revolution

America’s musical founding father: ‘Liberty songs’ by a self‑taught singer and tanner helped fuel the Revolution

William Billings has been largely forgotten, except among music historians. But he was the country’s first notable composer, penning protest songs...

friday 1

The Conversation

David W. Stowe

Would a $1 rideshare fee affect wealthier or working‑class Philadelphians more? 2 Chicago studies offer some perspective

Would a $1 rideshare fee affect wealthier or working‑class Philadelphians more? 2 Chicago studies offer some perspective

Philadelphia Mayor Cherelle Parker has proposed a $1 fee on all Uber, Lyft and other rideshare trips in the city to help fund public schools.

friday 3

The Conversation

Parth vaishnav

From medieval plague ships to hantavirus: How outbreaks at sea helped to shape the international public health system

From medieval plague ships to hantavirus: How outbreaks at sea helped to shape the international public health system

To stop the spread of infectious diseases, governments need information and other resources that countries around the globe share through...

friday 2

The Conversation

Katrine l. wallace

You can persuade AI models to accept falsehoods as truth, study shows

You can persuade AI models to accept falsehoods as truth, study shows

Large language models can uphold falsehoods they or human users state, despite being presented with evidence to the contrary.

friday 2

The Conversation

Ashique khudabukhsh

Is baby talk bad? Why ‘parentese’ actually helps babies learn language

Is baby talk bad? Why ‘parentese’ actually helps babies learn language

Exaggerating phrases and talking in a sing-song way can actually help, not make it harder, for young children to master speaking a language.

friday 1

The Conversation

Karen Stollznow

A fungal disease, along with climate change, threatens Colorado’s prized peaches

A fungal disease, along with climate change, threatens Colorado’s prized peaches

Cytospora canker damages peach trees and decreases orchard production over time.

friday 1

The Conversation

Jane stewart

AI‑generated fantasies of US intervention reveal how desperation has narrowed Cuba’s political horizons

AI‑generated fantasies of US intervention reveal how desperation has narrowed Cuba’s political horizons

Cubans are using AI image generators to imagine US intervention in their country. The results look straight out of the 1890s.

friday 1

The Conversation

Michael J. Bustamante

Who shops at farmers markets in the US?

Who shops at farmers markets in the US?

Only about 1 in 5 of the Americans surveyed shop at farmers markets because they care a lot about food and enjoy buying, preparing and eating fresh...

14.05.2026 3

The Conversation

Bret r. shaw

A ‘super El Niño?’ Why it’s too early to forecast one with certainty, but not too soon to prepare

A ‘super El Niño?’ Why it’s too early to forecast one with certainty, but not too soon to prepare

Twin cyclones helped trigger massive ocean warming in the Pacific. But whether that leads to a strong El Niño is still uncertain. Here’s what you...

14.05.2026 3

The Conversation

Pedro Dinezio

How Trump plans to keep tariffs at the center of his economic policy despite stinging court losses

How Trump plans to keep tariffs at the center of his economic policy despite stinging court losses

Rebuffed by the Supreme Court, President Donald Trump is seeking to exploit a different tariff tool to regain leverage. Whether it succeeds remains in...

14.05.2026 3

The Conversation

Kent Jones

John Adams and Thomas Jefferson disagreed about the American Revolution’s meaning even as they lay dying

John Adams and Thomas Jefferson disagreed about the American Revolution’s meaning even as they lay dying

The founding generation in America was not of one mind. John Adams and Thomas Jefferson differed on crucial ideas, but exemplify the capacity for...

14.05.2026 3

The Conversation

Marianne Holdzkom, Opinion Contributor

Why a growing number of Trump supporters are experiencing voter’s remorse

Why a growing number of Trump supporters are experiencing voter’s remorse

Most Trump supporters remain in his camp, but some independents, young people and Black Americans who voted for the president in 2024 would not do so...

14.05.2026 5

The Conversation

Tatishe Nteta

Astrophysicists use ‘space archaeology’ to trace the history of a spiral galaxy

Astrophysicists use ‘space archaeology’ to trace the history of a spiral galaxy

Astronomers want to understand how spiral galaxies form and get their massive spiral arms.

14.05.2026 5

The Conversation

Lisa kewley

Will future missions to the Moon be sustainable? It may depend on whom you ask

Will future missions to the Moon be sustainable? It may depend on whom you ask

Landing on the Moon can disturb its environment – people are discussing how to balance those concerns with political and economic goals.

14.05.2026 4

The Conversation

Marco a. janssen

TikTok’s popular microdramas shrink TV into bite‑sized chunks

TikTok’s popular microdramas shrink TV into bite‑sized chunks

As TikTok invests in short-form scripted series, it’s leaning into the same storytelling, advertising and viewing habits that defined television.

14.05.2026 3

The Conversation

Jessica Maddox

Is AI really ‘writing’? From a priestess to philosophers, ancient authors would have said ‘no’

Is AI really ‘writing’? From a priestess to philosophers, ancient authors would have said ‘no’

What should we call the words that this ultramodern technology produces? For clues, a professor looks to some of the world’s earliest authors.

14.05.2026 3

The Conversation

Ryan Leack

How much is a bat worth? Protecting these tiny insect‑eaters isn’t just good for farms – their deaths cost taxpayers and the wider economy

How much is a bat worth? Protecting these tiny insect‑eaters isn’t just good for farms – their deaths cost taxpayers and the wider economy

When bats disappear, farms become less productive, and that has broad implications far beyond the crops.

14.05.2026 4

The Conversation

Dale manning

Baloch insurgency: Suicide bombs and uptick in violence threaten Pakistan, regional security

Baloch insurgency: Suicide bombs and uptick in violence threaten Pakistan, regional security

A long-running insurgency has recently flared up again in Pakistan’s restive southwest province – complicated by instability in Iran and resource...

13.05.2026 5

The Conversation

Amira Jadoon

Why Pennsylvania’s low‑income residents are feeling the squeeze as gas prices rise

Why Pennsylvania’s low‑income residents are feeling the squeeze as gas prices rise

Cutting the state gas tax, as some have suggested, could lead to budget shortfalls down the line.

13.05.2026 4

The Conversation

Hannah Wiseman

Immigrant patients often choose doctors with a shared cultural background – what they are seeking isn’t sameness but connection

Immigrant patients often choose doctors with a shared cultural background – what they are seeking isn’t sameness but connection

Feeling heard and understood by a medical provider is a crucial part of healthcare for patients.

13.05.2026 3

The Conversation

Yasamine salkar

Why Trump’s call to pull 5,000 US troops from Germany will hurt America

Why Trump’s call to pull 5,000 US troops from Germany will hurt America

Overseas US military bases are integral to combat operations and can burnish the country’s image to advance its foreign policy goals.

13.05.2026 4

The Conversation

Michael A. Allen

Falling space debris poses an escalating risk as spacecraft get stronger and more heat resistant

Falling space debris poses an escalating risk as spacecraft get stronger and more heat resistant

Some engineers are prioritizing ‘design for demise’ and planning satellites that are more likely to completely burn up in Earth’s atmosphere at...

13.05.2026 4

The Conversation

Matthew ray

We tested the new World Cup ball – this is what you need to know about how it will fly, dip and swerve

We tested the new World Cup ball – this is what you need to know about how it will fly, dip and swerve

For two decades, researchers have studied soccer ball aerodynamics. Latest tests suggest the 2026 ball is more stable, but with a slightly shorter...

13.05.2026 4

The Conversation

John Eric Goff

Detroit’s water affordability crisis is tied to the uneven distribution of stormwater management costs – a fraught history explains why

Detroit’s water affordability crisis is tied to the uneven distribution of stormwater management costs – a fraught history explains why

Some Detroit residents spend as much as 25% of their disposable income on water bills. Many are struggling to keep up.

13.05.2026 2

The Conversation

Nicole van lier

How tarot readers are using AI – and what it says about our growing reliance on chatbots for emotional support and advice

How tarot readers are using AI – and what it says about our growing reliance on chatbots for emotional support and advice

Our engagement with AI is at a crossroads: Will we treat it as an all-knowing oracle or as a tool to expand our own way of seeing the world?

13.05.2026 4

The Conversation

Ziv epstein

Most people don’t know what they don’t know, but think they do – correcting your metaknowledge can make you a better teacher and learner

Most people don’t know what they don’t know, but think they do – correcting your metaknowledge can make you a better teacher and learner

Do you actually know how a bicycle or a zipper work, or what a penny or a common brand logo look like? Intellectual humility can help reduce...

13.05.2026 4

The Conversation

Thomas blanchard

Suspending federal gas tax wouldn’t save drivers as much as they might hope – here’s what goes into the price of a gallon of gas

Suspending federal gas tax wouldn’t save drivers as much as they might hope – here’s what goes into the price of a gallon of gas

Suspending the federal gas tax, which would require Congress to agree, would drop gas prices only about 4% – less in high-cost states like California.

12.05.2026 8

The Conversation

Robert i. harris

Many of the Caribbean’s most important reefs are going unprotected

Many of the Caribbean’s most important reefs are going unprotected

Healthy coral reefs can significantly reduce hurricane damage for coastlines, yet many still face harms, including pollution and ship damage, that...

12.05.2026 5

The Conversation

Sara m. melo merino

A deep‑ocean climate plan wins rare EPA approval, but is sinking plants in the sea the answer?

A deep‑ocean climate plan wins rare EPA approval, but is sinking plants in the sea the answer?

Ocean carbon removal is picking up, just as Microsoft pulls out as a major funder of carbon removal projects.

12.05.2026 7

The Conversation

Wil Burns

The Cherokee Bible, one of the language’s first books, is a window between worldviews

The Cherokee Bible, one of the language’s first books, is a window between worldviews

Cherokees across the US are working to revitalize their language.

12.05.2026 7

The Conversation

Margaret bender

Genome sequencing is rewriting the history of disease outbreaks – but without social context, it can tell only part of the story

Genome sequencing is rewriting the history of disease outbreaks – but without social context, it can tell only part of the story

From the Black Death to the COVID-19 pandemic, combining the genetic data of a pathogen with historical records, archaeological artifacts and...

12.05.2026 10

The Conversation

Marc Zimmer

Button‑pushing explorers: How to grasp that AI agents can do amazing things while knowing nothing

Button‑pushing explorers: How to grasp that AI agents can do amazing things while knowing nothing

Today’s AI systems are powerful, and it’s natural to see them as having humanlike intelligence. Shaking that illusion is important – and...

12.05.2026 10

The Conversation

Ji y. son

You can change your emotions – but it’s a 2‑step process that takes some effort

You can change your emotions – but it’s a 2‑step process that takes some effort

When you’re upset, finding a new way to think about a negative situation can help you feel better. But researchers find the process takes some...

12.05.2026 8

The Conversation

Christian waugh

How America’s independence from England revolutionized US philanthropy

How America’s independence from England revolutionized US philanthropy

US charitable institutions rapidly changed in the 1780s as Americans established groups to support people in need and to reform society.

12.05.2026 7

The Conversation

Amanda moniz

Why Kevin Warsh might still prove to be an independent Federal Reserve chair

Why Kevin Warsh might still prove to be an independent Federal Reserve chair

Kevin Warsh has come under scrutiny for his ties to finance, but that background may also bolster more independence once he’s confirmed as Federal...

12.05.2026 7

The Conversation

Cristina Bodea

Racial gerrymandering may be here to stay

Racial gerrymandering may be here to stay

The Supreme Court has barred considering race when crafting legislative districts. But race could remain embedded in political gerrymandering, despite...

11.05.2026 8

The Conversation

Claire B. Wofford

Trump‑Xi summit will be no ‘Nixon in China’ moment – that they are talking is enough for now

Trump‑Xi summit will be no ‘Nixon in China’ moment – that they are talking is enough for now

Taiwan, trade and AI regulation are on the agenda. But will there be progress on any of these issues during Beijing sit-down?

11.05.2026 10

The Conversation

Rana Mitter

Why political gerrymandering in the South will likely continue to consider voters’ race despite Supreme Court ruling

Why political gerrymandering in the South will likely continue to consider voters’ race despite Supreme Court ruling

The Supreme Court has barred considering race when crafting legislative districts. But race could remain embedded in political gerrymandering, despite...

11.05.2026 6

The Conversation

Claire B. Wofford

What to do if someone you know in Philadelphia or elsewhere is detained by ICE

What to do if someone you know in Philadelphia or elsewhere is detained by ICE

Pennsylvania’s patchwork of ICE detention centers makes it difficult to track loved ones.

11.05.2026 6

The Conversation

Jennifer J. Lee

Why did Tyrannosaurus rex have such short arms?

Why did Tyrannosaurus rex have such short arms?

If humans had the same arm proportions as a T. rex, a 6-foot-tall person would have arms about 11 inches long.

11.05.2026 7

The Conversation

Sarah sheffield

Delta‑8, delta‑9, THCA? What sets the different THC forms available in regulated cannabis products apart

Delta‑8, delta‑9, THCA? What sets the different THC forms available in regulated cannabis products apart

Hemp-derived THC products are federally legal, for now. A chemist describes the different THC forms these products can contain and the legal...

11.05.2026 6

The Conversation

Aaron W. Harrison

How AI can lead to false arrests and wrongful convictions

How AI can lead to false arrests and wrongful convictions

Danger arises when law enforcement believes that AI models are retrieving certainties rather than generating likelihoods.

11.05.2026 10

The Conversation

Maria Lungu

How does your brain decide between the road not taken or the same old route? Resolving conflicting memories is key to navigation

How does your brain decide between the road not taken or the same old route? Resolving conflicting memories is key to navigation

Habit helps take the mental load off figuring out how to get somewhere. But relying on the familiar can make it harder to adapt to changes to your...

11.05.2026 6

The Conversation

Paulina maxim

We studied what happened when financially struggling artists received $1,000 a month, no strings attached, for 18 months

We studied what happened when financially struggling artists received $1,000 a month, no strings attached, for 18 months

Opponents of guaranteed-income programs often argue that recipients will simply take the money and be less motivated to do any work whatsoever.

11.05.2026 6

The Conversation

Joanna Woronkowicz

When you don’t have the facts, argue the law: How Trump’s EPA is limiting its own ability to protect public health far into the future

When you don’t have the facts, argue the law: How Trump’s EPA is limiting its own ability to protect public health far into the future

The EPA’s new interpretations are strategically designed to appeal to the current US Supreme Court’s view of agency authority.

11.05.2026 7

The Conversation

Janet Mccabe

The missing link in America’s critical minerals push isn’t mining – it’s processing expertise

The missing link in America’s critical minerals push isn’t mining – it’s processing expertise

America was once the global leader in rare earth element production, but as processing moved to China, the US lost capacity and expertise. It can get...

11.05.2026 7

The Conversation

Hélène Nguemgaing