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Disease Update

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 secrets of cooperation

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

How sustainable are fake meats?

Marketed to meat lovers, plant-based burgers like Impossible and Beyond claim to taste like the real thing and to have far lighter environmental footprints. Here’s what the numbers have to say.

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

Huh? The valuable role of interjections

Utterances like um, wow and mm-hmm aren’t garbage — they keep conversations flowing

Speaking in whistles

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

Feeling the pressure

How we want to be perceived influences how we act, and that presents persuasion opportunities. But the social factors involved are not easy to unravel.

Take this job and . . . gig it

A few hours here, a few hours there. At home, or somewhere else. Alternative work can be a great deal or it can leave you unprotected, as management scholar Lindsey Cameron explains in a Q&A.

Why green energy finally makes economic sense

Solar and wind generators have suddenly become just as cheap as other ways to produce electric power

Looking for economic prosperity without growth

The only way for humanity to solve its environmental problems may be to abandon our quest for continual economic expansion. It’s time to study what a future of degrowth might look like, some researchers say.

Nudging grows up (and now has a government job)

Ten years after an influential book proposed ways to work with — not against — the irrationalities of human decision-making, practitioners have refined and broadened this gentle tool of persuasion

Going gentle

A sociologist explains how to get the most out of the final months of life

To learn Klingon or Esperanto: What invented languages can teach us

NuqneH! Saluton! A linguistic anthropologist (and creator of the Kryptonian language, among others) studies the people who invent new tongues.

Dangers of ecotourism: Up close and infectious

Travelers’ desire for intimate encounters with wildlife may threaten the animals they love

Microbial secrets of sourdough

It all starts with a community teeming with yeasts and bacteria — but what’s really happening? Scientists peer into those jars on the kitchen counter to find out.

The pernicious contagion of misinformation

False statements — about Covid-19 and so much else — spread like a virus online. Scientists should study them like one.

Cleaning up cow burps to combat global warming

New tools for lowering methane emissions from livestock are on their way

Why do some people always get lost?

Research suggests that experience may matter more than innate ability when it comes to a sense of direction

Virtual agents of change: How computers are mapping Covid-19’s future

Traffic planners, securities traders and military strategists all use it. Simulating the behavior of millions of idiosyncratic individuals also may be the best way to understand complex phenomena like pandemics.

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