Global climate change is altering the worlds oceans in many ways. Some impacts have received wide coverage, such as shrinking Arctic sea ice, rising sea levels and ocean warming. However, as the oceans warm, marine scientists are observing other forms of damage.
The European Space Agency (ESA) will be launching an Ariane 5 rocket tonight at 7:47 pm EDT from Kourou, French Guiana. NASA will be streaming the event live beginning at 7:15 pm EDT, and you can check it out right here!
South America was the last habitable continent to be colonized by humans. Researchers have just discovered two distinct phases in the demographic history of South Americans: rapid spread with low population sizes, followed by sedentary lifestyles with exponential growth. The study, published in Nature this week, compared the population growth of prehistoric South Americans to that of invasive species.