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Comics

She saw the obesity epidemic coming. Then an unexpected finding mired her in controversy.

Katherine Flegal was a scientist who found herself crunching numbers for the government, until one day her analyses set off a firestorm. What does she make of her decades as a woman in public health research?

How much meat can we eat — sustainably?

Scientists find that a small amount of animal products could have a place in our diets without wreaking environmental havoc. But it’s far less than what we consume today, and only if farmed in just the right way.

The brain, the criminal and the courts

States of mind that the legal system cares about — memory, responsibility and mental maturity — have long been difficult to describe objectively, but neuroscientists are starting to detect patterns. Coming soon to a courtroom near you?

The creative way to pay for wildlife recovery

OPINION: ‘Pragmatic rewilding’ restores damaged ecosystems and harnesses private money, with benefits for all

Rethinking cities in the face of extreme heat

VIDEO: Cities have recently experienced extreme heat waves, causing preventable illness and death. How can we protect people from dangerous heat while also reducing carbon emissions?

The secrets of cooperation

Most people care what others think of them. In many situations, that can be leveraged for the common good.

The obscure calculation transforming climate policy

After long debate, economists and philosophers are reaching consensus on how to value future generations

Beyond COP27: Who will pay for climate solutions?

VIDEO: Economic issues were front and center at the most recent global climate summit. Join Tobias Adrian of the International Monetary Fund and Shuang Liu of the World Resources Institute to take stock of the investments needed to prevent future climate disasters.

The puzzle of play

The purpose of play — for children, monkeys, rats or meerkats — has proved surprisingly hard to pin down. Scientists continue to toss around ideas.

What legacy lies ahead for Black Lives Matter?

Historically, the road to reform has often begun with protesters taking to the streets. A sociologist and a political scientist take stock of whether today’s activism will lead to actual change.

Why real-life places still matter in the age of texting and Twitter

Interactions in physical spaces, whether around the watercooler or at the neighborhood bar, are crucial to forming social ties

Can statistics help crack the mysterious Voynich manuscript?

The meaning of the cryptic text has eluded scholars for centuries. Their latest efforts include computational analyses seeking new insights into the medieval enigma.

Pricing groundwater will help solve California’s water problems

OPINION: The state’s Sustainable Groundwater Management Act is a great opportunity — if it goes far enough

When criminals rule the land

In Latin America, tens of millions of people live in territories that are governed by outlaws — from powerful drug cartels to crime syndicates. What can be done to restore legitimate law and order?

Sounding the alarm: How noise hurts the heart

Loud road and air traffic has been linked to a greater risk of high blood pressure, heart attacks and strokes. Scientists are uncovering new details about how what you hear stresses the cardiovascular system.

Out of the mouth of babes

Learning a language is child’s play, but linguists are still trying to understand how children do it so easily

How to recover from the Great Education Disruption

OPINION: Children around the world were out of school for months, with big impacts on learning, well-being and the economy. How do we avoid a ‘generational catastrophe’?

The lasting anguish of moral injury

Psychologists are finding that moral code violations can leave an enduring mark — and may require new types of therapy

The power of brands, conscious and unconscious

Economists explore the complex forces that shape what ends up in your shopping cart and how that might change in the online marketplace 

Five mysteries about breast milk

The little that we know about breastfeeding tells us a lot — imagine if we knew more

The hidden damage of solitary confinement

Meant to punish or protect, social isolation in prison creates a ripple of unintended effects on the psyche

Managing pain in a time of opioid abuse

Other therapies, more training, a new mindset: Can doctors bring relief to patients without putting them at risk for addiction?

Detention nation

As locking up immigrants has become common in the US, scholars tackle ‘crimmigration’ and its complexities

Hi, robot: Why robotics and language need each other

Machines might better understand our commands if they experienced our physical worlds, researchers say. That enhanced perception could sharpen their listening skills and improve performance.

Measuring surgical quality

Not all surgeons are equally skilled with a scalpel. Doctors are developing new ways to test — and improve — operating room performance.

The origins and future of the Grand Canyon

VIDEO: How old is the Grand Canyon? Will the Colorado River run dry? Learn about how the Big Ditch formed and the present state and uncertain future of the Colorado River watershed.

The baby brain: Learning in leaps and bounds

VIDEO: Learn how the baby brain changes from gestation to toddlerhood, and what parents, teachers and policymakers can do to ensure kids are set up for success

The complexities of a universal basic income

It’s a hot topic under political debate: providing cash grants as a social safety net. Small programs hint at how it might work — or not — on a national scale.

Treating the growing trauma of family separation

War, disasters, trafficking and immigration are tearing millions of children from their parents all around the world. A psychologist explores how to help them recover.

Understanding carjacking

Criminologist Bruce Jacobs has spoken to carjackers in detail about their crimes. Here’s what he’s learned in two decades of study.

The science of better beer

Advances in the lab are adding variety, efficiency and precision to age-old brewing traditions

Short-circuiting the suicide cascade

Psychologists are seeking better ways to cut the link between dire thoughts and fatal action. Among their strategies: individualized plans for pulling back from the brink, and limiting access to deadly means, especially guns.

Genetics extends the long arm of the law

In an evolving branch of forensic science, genealogists help solve crimes, sometimes identifying suspects with the DNA of distant relatives they’ve never met. As cold cases yield, concerns about privacy issues persist.

Sex strategies of the evolutionary kind

For women, a short-term fling may involve a quest for good genes or just a good time. It’s a puzzle for the researchers looking at how people choose mates.

In promoting health, when to tiptoe — and when to stomp?

Inform, incentivize, legislate: There’s a ladder of escalating approaches for changing citizens’ behavior — and nudges for every rung

War and drugs: Together since forever

Alcohol-drenched medieval battlefields. Opium-laced imperialism. Modern-day narco-terrorism. There’s a lot of history between armed conflict and psychoactive substances.

Unpersuasive: Why arguing about climate change often doesn’t work

COMIC: In the US, where political parties have increasingly staked claims on one side of the issue or the other, beliefs may be more about belonging than facts

Does online opioid treatment work?

The Covid-19 pandemic brought a sudden shift to virtual health care. That has increased access — and possibly outcomes, too — for patients with opioid use disorder.

Rethinking insurance for floods, wildfires and other catastrophes

The industry is in crisis just when disaster coverage is most needed

Information apocalypse: All about deepfakes

VIDEO: Doctored images, fake videos and computer-generated news are easier than ever to create and distribute. Here’s why you should worry and what you can do.

How learning happens in the brains of sleeping babes

Neuroscientists have long known that shut-eye helps consolidate memories in adults. Napping may play an equally crucial role in infants and young children.

Sell-by dates | Things to Know

VIDEO: Time stamps on packaging prompt consumers to toss a lot of food, but what do they actually say about safety?

Getting a Covid-19 vaccine — quickly and safely

Researchers around the globe are working with unprecedented speed to find the vaccines we need to find our way through the pandemic. What’s the bar for safety and effectiveness?

Speaking in whistles

Dozens of traditional cultures use a whistled form of their native language for long-distance communication. You could, too.

How we bury our dead during a pandemic

Funerals, burials and other ways of communally commemorating those who have died have always been part of human history. The need for social distancing has upended these psychologically important rituals and fostered creative alternatives.

The next evolution of digital money? It’s happening now

OPINION: After cryptoassets, a wave of central bank digital currencies is set to revolutionize our ideas about what money is and how to manage it

Unearthing secrets of human sacrifice

Archaeologists turn to other scientific fields to fill in the picture of how victims lived and why they died

How racism in early life can affect long-term health

OPINION: Excessive adversity activates biological reactions that can lead to lifelong problems in physical and mental wellbeing

How to handle climate anxiety

Worry over the planet’s future is taking a toll on emotional well-being, researchers say. Here’s how to cope so we don’t lose hope for our planet and for ourselves.

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