Finally, someone has a reasonable answer to why colds and flu are more common in the Winter. From LiveScience: "A new animal study suggests that the influenza virus' success hinges on low relative humidity and cold temperatures. Such conditions keep the virus more stable and in the air longer than warm, humid conditions, scientists said. 'We found that the flu's transmission period is much, much longer when temperatures and humidity levels are low,' Palese told LiveScience."
Extremely detailed study of a painting
17 hours ago