Feed for livestock could provide nutrition more efficiently to the world’s people if we skipped meat and focused on a plant-based diet. But Earth’s growing population also benefits from meat’s nutrients and uses livestock to pull ploughs. A new study sees livestock as less burdensome on global food supplies.
Researchers have edited human embryos to correct a genetic mutation for the first time. Countries around the world agree on the need to begin treaty negotiations concerning parts of the ocean that are not owned by any country. Read these stories and more in our twice-weekly news roundup.