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Always look on the bright side of life

How a positive outlook may buffer us from stress and ward off health problems 

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

Speaking in whistles

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

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.

Vaccinating the world against Covid-19

Lower-income countries haven’t gotten an equal share of lifesaving coronavirus vaccines. Older, more familiar vaccine technologies may hold the key to more equitable use, says Maria Elena Bottazzi.

How our bodies coddle cancer

Tumors resist chemotherapy with help from a surprising source: nearby normal cells. Researchers are developing workarounds.

The workout drug

As researchers learn more about how exercise fights chronic ills like heart disease and diabetes, doctors may soon be able to treat physical activity as the powerful medicine it is

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.

A master teller of fish stories

First came fugu. Then he took a bite out of sharks. Now a pioneer in genome research helps lead the effort to sequence every lineage of vertebrates.

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.

Sounding out the brain

Ultrasound isn’t just for images. Sonogenetics and other promising technologies let researchers use focused sound waves to control genes and entire cells deep in the tissues of living animals, without surgery.

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.

Plumbing 101: Building the body’s tubes and branches

Lungs, blood vessels, kidneys and more: Our bodies are full of branching pipes. Their development follows a handful of basic principles.

Going gentle

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

How disease sleuths are using genomics to track the coronavirus

Rapid sequencing of viral genomes can help public health officials figure out the origins, spread and nature of quickly moving epidemics

The time of trials: Waiting for a coronavirus vaccine

An infected and impatient world needs protection from Covid-19, but rushing it won't be easy. How can we speed up a complicated process?

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.

What next-gen Covid-19 vaccines might look like

From building up defenses in the nose to slowing down a virus’s ability to make copies of itself, scientists are rolling out a raft of creative approaches to fighting infection

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