The bony facial protrusion might be an evolutionary byproduct that resulted from changes to other parts of the skull, according to a new study ...
Scientists have documented same-sex behavior in many animals. Learn what it means, how it varies, and why human labels can mislead.
Both the UK and US Governments have pledged to end research using animals, but is such a goal realistic? And how might it change medical research? Talha Burki reports.
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