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19815
This article “underscores the vast distances” humans moved from Africa to northern China in 20,000 years. However, if one stops to consider the time frames, it’s extremely unremarkable. At three generations every 100 years and roughly 6,000 miles from Africa to China, people would need to move only an average of 10 miles per generation. […]
- Health & Medicine
Meningitis vaccine stops ear infections
A vaccine for meningitis and pneumonia also prevents many childhood ear infections and the complications that they cause.
- Health & Medicine
Patches take sting out of canker sores
Small patches that exude licorice extract can speed healing of canker sores.
