Since its first recorded sighting by European explorers in the 1600s, scientists and historians have believed that Europeans were the first people to ever set foot on the Falkland Islands. Findings from a new University of Maine-led study, however, suggests otherwise; that human activity on the islands predates European arrival by centuries.

Life on the Earth is based on carbon. Through the course of evolution, living organisms have learned to form and process large numbers of different carbon compounds. Carbon is the cornerstone of most biologically produced organic compounds such as proteins, carbohydrates, fats and DNA. All of these compounds contain, in addition to carbon, many other elements, including hydrogen, nitrogen and oxygen.

Small farmers around the world who grow thirsty crops like corn will face a huge adaptation challenge as the effects of climate change worsen in the coming years, experts warned Wednesday.