Dossier
Dr. Karin Johnson
Coverage of Dr. Karin Johnson in the Nexus archive.
- Debatable: Permanent daylight saving time
Congress faces bipartisan support for ending twice-yearly clock changes but lacks agreement on whether to make daylight saving time permanent or adopt standard time. The House passed a bill for permanent daylight saving time, but Senate concerns about morning darkness and health risks, including disrupted circadian rhythms, have created roadblocks.