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Conceptual illustration shows a woman in a chef’s hat and white coat that has a marijuana leaf on the pocket. She’s wearing gloves and pipetting something onto a chocolate chip cookie on a plate. Swirls of blue, yellow, pink and green, with molecules floating within, waft from the cookie.
Food & Environment

Building a better edible

Foods and beverages containing cannabis are popular, but probing their effects is difficult. Scientists are scouring existing studies and knowledge from nutrition research to learn how these products interact with the body.

Illustration of a world map with a variety of health workers standing on top of the map.
Health & Disease

The varied landscape of universal health care

There’s more than one way for a nation to achieve universal coverage for its residents. Here are the systems of six different countries.

Four deer stare at the camera. In the background are folded proteins and a bullseye.
Living World

How to control chronic wasting disease

A prion sickness similar to mad cow is spreading rapidly through North America’s deer and elk populations. A veterinary microbiologist discusses the options for keeping it in check.

Collage of worried-looking youth witnessing a car in a flood, a copy of the Financial Times with a grim headline, fire and bad weather.
Food & Environment

How to handle climate anxiety

Worry over the planet’s future is taking a toll on emotional well-being, researchers say. Here’s how to cope so we don’t lose hope for our planet and for ourselves.

Two robotic arms hover over a draped form. In background a monitor shows a length of intestine gripped by clamps.
Technology

Handing the surgeon’s scalpel to a robot

After decades of merely assisting doctors, are sophisticated machines ready to take charge?

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