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Q&A

Time for half-year resolutions?

If your good intentions from a few months ago haven’t led to much, take note. A psychologist tells us what we can learn from studies on willpower.

In defense of wild meat’s place at the table

Sustainable and safe consumption of wildlife is possible, and important for those who depend on it, says a conservation researcher

The growing link between microbes, mood and mental health

New research suggests that to maintain a healthy brain, we should tend our gut microbiome. The best way to do that right now is not through pills and supplements, but better food.

Does it work to pay people not to cut the forest?

Evidence that the approach helps to save trees, preserve ecosystems and reduce carbon emissions is often hard to come by. But it can succeed if it’s done right, says an economist.

Natural pest control: Plants enlist their enemies’ enemies

These stealthy survival tactics could teach us how to curb the widespread use of chemical pesticides in agriculture. But first, researchers must learn how seemingly helpless flora deploy this masterful strategy.

After Covid-19, can mRNA vaccines help with cancer as well?

The pandemic put the technology, long in development, to the test. Here’s a look at the status of its application to cancer and when it might reach patients.

Like hungry locusts, humans can easily be tricked into overeating

Our bodies crave more food if we haven’t had enough protein, and this can lead to a vicious cycle — especially if we’re reaching for ultraprocessed instead of high-fiber whole foods

The science of a wandering mind

More than just a distraction, mind-wandering (and its cousin, daydreaming) may help us prepare for the future

Inside the adolescent brain

This challenging phase of life may get a bad rap, but it’s also full of opportunity. A developmental neuroscientist shares what she’s learned from studies on young people’s risk-taking behavior, reasoning and more.

Emotions get better with age

As people grow older, they gain greater control of their feelings. How do they do that — and can they teach young whippersnappers a thing or two?

Infectious disease: Making — and breaking — the animal connection

We know pathogens from other species can endanger us. Scientists are better equipped than ever to do something about it, but political buy-in is crucial.

The human hand in fish evolution

Fishery practices that go for the big ones may be counterproductive when mostly the small survive

Profiling the perpetrators of past plagues

The ancient pathogens in old graves are as dead as the people they once infected. Still, they tell a vivid tale.

Revenge is bittersweet at best

Research is starting to reveal how the urge for vengeance may have evolved, when it can be useful and what could prevent the violence it can provoke

Watching Alzheimer’s in action

A look inside the brains of engineered mice suggests therapies might need to target two key proteins — tau and amyloid-beta — at the same time

Bypassing paralysis

By decoding brain activity with electrical implants, computers can help disabled people move a robotic arm — or their own

A salamander’s dangerous liaisons

The giant genomes of these struggling amphibians tell a story of outsider invasions, assault by disease and cross-species sex. A geneticist explains.

The truth in baby teeth

Fossilized remains of children have a lot to tell us about their short lives

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