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  1. Health & Medicine

    Lizard spit can help detect a rare pancreatic tumor

    A protein found in Gila monster saliva flags tiny pancreatic tumors in PET scans.

    By Rohini Subrahmanyam
  2. Anthropology

    Fossil teeth hint at a surprisingly early start to humans’ long childhoods

    Signs of temporarily delayed tooth development in the skull of an ancient Homo species youth spark debate about the origins of humanlike growth.

    By Bruce Bower
  3. Anthropology

    How does a fossil become a superstar? Just ask Lucy.

    Geologic good fortune, skilled scientific scrutiny and a catchy name turned Lucy into an evolutionary icon.

    By Bruce Bower
  4. Health & Medicine

    The virus behind an outbreak in Brazil can spread from mother to fetus

    Transmission of Oropouche virus to the womb has been confirmed in two stillbirths and one birth with congenital anomalies that occurred in Brazil.