Researchers know that people are motivated to be vegetarian for different reasons — the most common in Western cultures being health, the environment and animal rights. But how compelling are these different factors for nonvegetarians?

Scientists have found a catalyst that efficiently transforms nitrate into nitrite—an environmentally important reaction—without requiring high temperature or acidity, and now have identified the mechanism that makes this efficiency possible.

A major new study assesses technology and policy strategies for industrial decarbonization and finds that it is possible—and critical—to bring industrial greenhouse gas emissions to net zero by 2070.

By treating meat as a network of flexible polymers surrounded by flowing moisture, computer models can accurately predict how much it will shrink when cooked.