Do organisms adapt after they arrive in new environments or are the adaptations what lets them to move to new locations?
New research challenges a previous view that humans got to America via this area, where an ice-free corridor existed during the last ice age.
Mikkel Winther Pedersen
A new study suggests the first humans probably got to America from Siberia via the Pacific coast rather than through a corridor between two giant ice sheets, as previously thought.
An Inupiat Eskimo family from Alaska in 1929, whose ancestors would have crossed Beringia thousands of years previously.
The theory that the Americas were populated by humans crossing from Siberia to Alaska across a land bridge was first proposed as far back as 1590, and has been generally accepted since the 1930s. But genetic…
Illustration of the High Arctic camel on Ellesmere Island during the Pliocene warm period, about 3.5 million years ago. The camels lived in a boreal-type forest. The habitat includes larch trees and the depiction is based on records of plant fossils found at nearby fossil deposits.
Ancient camels up to 29% larger than their modern-day cousins may have roamed the High Arctic of Canada around 3.5 million…