Skulls from the Yucatán Peninsula a Clue to Early American Settlers
Skulls from the Yucatán Peninsula a Clue to Early American Settlers
The crania of individuals who lived in the Yucatán Peninsula during the late Pleistocene show a high degree of anatomical diversity among them, and their skull shapes differ from that of other North American populations of the time.
Skulls from the Yucatán Peninsula a Clue to Early American Settlers
Skulls from the Yucatán Peninsula a Clue to Early American Settlers

The crania of individuals who lived in the Yucatán Peninsula during the late Pleistocene show a high degree of anatomical diversity among them, and their skull shapes differ from that of other North American populations of the time.

The crania of individuals who lived in the Yucatán Peninsula during the late Pleistocene show a high degree of anatomical diversity among them, and their skull shapes differ from that of other North American populations of the time.

North America
Climate Change Linked to Shrinking Bird Sizes: Study
Climate Change Linked to Shrinking Bird Sizes: Study
Emily Makowski | Dec 5, 2019
The animals have a smaller body mass, shorter legs, and longer wings than they did four decades ago.
North America Has 3 Billion Fewer Birds Than it Did in 1970
North America Has 3 Billion Fewer Birds Than it Did in 1970
Catherine Offord | Sep 19, 2019
Population reductions in species such as sparrows and blackbirds reflect a concerning pattern of declining biodiversity across the continent, researchers find.
Saving the Hellbender, a Giant Salamander Under Threat
Saving the Hellbender, a Giant Salamander Under Threat
Mary Bates | Sep 1, 2019
Populations of the two-foot-long amphibians are declining across North America. Scientists are struggling to find out why, before it’s too late.
Artifacts Found in North America Suggest Humans Came By Sea
Artifacts Found in North America Suggest Humans Came By Sea
Chia-Yi Hou | Aug 29, 2019
Dating back to 16,000 years, items from a dig site in Idaho point to the first settlers arriving by a Pacific coastal route rather than by an ice-free land bridge from Siberia.
Measles Outbreak Worsens in Washington State
Measles Outbreak Worsens in Washington State
Catherine Offord | Jan 28, 2019
Most of the 34 patients are under 10 years old, and almost all have been confirmed as unvaccinated against the virus.
Ancient DNA Maps Early American Migrations in New Detail
Ancient DNA Maps Early American Migrations in New Detail
Ashley Yeager | Nov 8, 2018
Genetic information from dozens of individuals living 700 to 10,000 years ago reveals connections between Clovis and Native Americans and South Americans.