September 28, 2017
20-million-year-old fossil seeds shed light on origins of plant biodiversity in Panama.
20-million-year-old fossil seeds shed light on origins of plant biodiversity in Panama.
Lower atmospheric carbon and cooler temperatures may have contributed to the domestication of corn, a new study shows.
A Smithsonian emeritus scientist takes a field trip to some of Panama’s most important known marine fossil deposits for a quick lesson the age of the Ithsmus of Panama.