Q&A

Conceptual illustration shows a person vaulting over a book and calendar away from bad habits and poor willpower, as depicted by unhealthy food and money and scrunched-up paper.

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.

Large platters hold monkey meat that has been cooked. Several women stand behind the platters.

Food & Environment

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

Colorized scanning electron microscope image of excrement shows a pale green piece of plant fiber covered by tiny microbes colored teal, purple, red, green, brown and more.

The Mind

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.

Photograph of two elderly men sitting outdoors. They are enjoying a good joke or tale. The man on the left has his arms around the shoulders of his friend. He ls laughing. The man on the right has his arms out in front, slightly raised, as if he is relating a story. He is grinning.

The Mind

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?

Three people wearing gloves, goggles and full-body protective clothing take samples from a rodent. One of them holds the animal while another takes the specimen. A third stands at the side, holding small tubes in which the samples will be placed.

Health & Disease

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.

Photograph of a row of skeletons in a trench.

Health & Disease

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.

Artwork showing neurons along with the tangles of tau protein and clumps of amyloid-beta plaques that are typically found in the brains of patients with Alzheimer’s disease. Investigating when and how these proteins form might lead to new therapies.

Health & Disease

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

Photograph of human and robotic arms shaking hands. Scientists are devising ways for people with paralysis to control computers, robotic prosthetics and even their own limbs with their thoughts.

Technology

Bypassing paralysis

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

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Q&A

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