Why is sleep so critical to good health? This program focuses on the NASA Exploration Mission Directorate's Bioastronautics program. Students will learn about circadian rhythms, how these rhythms affect their daily lives and why NASA is studying them.
In NASA CONNECT™: Ancient Observatories: Timeless Knowledge, students will learn how cultures from ancient times to the present have used the Sun and other objects in the sky to mark the passage of time. They will see how archaeoastronomers use ancient observatories to predict seasons and special events.