GREENLAND: Eight volunteers will set sail in June to recreate the original Norse adventure along the west coast of Greenland. During the voyage, archaeologists hope to learn more about the Greenlandic Norse culture.
Possibly for protection, according to one study. The potential fathers will work together to stop predators from attacking their young. Ths challenges established ideas about the passive female, says philosopher.
Our heart’s left ventricle empties on each heartbeat. In many people with diabetes, it takes longer for the heart to refill with blood between heartbeats than in healthy individuals. But exercise can fix the problem, a new study shows.