Natural History, the study of natural objects and events. The term was once applied to the branch of knowledge that includes the biological and physical sciences. In the first century A.D., Pliny the Elder, a Roman writer, summarized most of the existing knowledge of nature in his Historia Naturalis (Natural History). Until the late 19th century many scientific works, especially in the fields of botany and zoology, were called natural histories.
You've been looking forward to your European vacation for months. But the first few days of your trip, you're grouchy, exhausted and brain dead. Is there some way to prevent or cure jet lag?
Many old couples tend to look like each other due to shared life experiences, according to a recent study. Learn more about why older couples look alike.