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The recently discovered lleret calvaria from Kenya is the smallest H. erectus and shares many traits
What emotions are these people expressing? Are these emotions global? Is their way of expressing ...
The ability to roll the tongue is one of several traits that represent the dominant allele.
While most people resist labels of deviance, some embrace them. In what different ways do these ...
People who share genes will often have similar body weights
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.