Q&A

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.

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

Infectious disease: Making — and breaking — the animal connection

Profiling the perpetrators of past plagues

Watching Alzheimer’s in action

Bypassing paralysis

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