Scientists have discovered remains of 3.7-billion-year-old life, encapsulated within the oldest rocks in Greenland. It is one of the oldest signs of life on Earth.
The "Grande Dame” of seismology, Inge Lehmann, began her career at a time when few women held senior positions in science. But that did not stop her from being the first to provide evidence of the Earth’s inner core in 1936.
GREENLAND: Scientists have discovered bacterial structures in 3.7 billion year-old rocks in Greenland, indicating that life began earlier than previously thought.
