A new study tests the idea that traditional societies see aging in a more positive light than modern societies, a presumption supported by anecdotes and personal narratives but lacking systematic cross-cultural research.

An insecticide currently in development targets a specific gene so it kills only those bugs that threaten crops and avoids collateral damage to beneficial insects.

New research describes a protein that transports metals in Arabidopsis plants. The finding holds promise for developing iron-rich but cadmium-free crops.