Seth M. Weinberg – The Conversation

A full set is two on the top and two on the bottom. Sebastian Kaulitzki/Science Photo Library via Getty Images

December 11, 2023

Why do people have wisdom teeth?

Ariadne Letra, University of Pittsburgh and Seth M. Weinberg, University of Pittsburgh

Two dental experts explain that these furthest-back molars may be a not-so-necessary leftover from early human evolution.

Using 3-D facial images researchers have identified changes in the DNA that contribute to variation in facial features. Julie D. White

December 7, 2020

We scanned the DNA of 8,000 people to see how facial features are controlled by genes

Seth M. Weinberg, University of Pittsburgh and John R. Shaffer, University of Pittsburgh

Like it or not, the facial feature most influenced by your genes is your nose. Researchers investigate which genes are involved in sculpting the face.

Joaquin Phoenix won the award for outstanding performance by a male actor in a leading role for ‘Joker’ at the 26th annual Screen Actors Guild Awards. Jordan Strauss/Invision via AP

November 27, 2023

Joaquin Phoenix’s lips are not like Napoleon’s − here’s what everyone should know about cleft lip

Mary L. Marazita, University of Pittsburgh; Bernard J. Costello, University of Pittsburgh, and Seth M. Weinberg, University of Pittsburgh

Joaquin Phoenix has previously been mocked for a facial scar that some have assumed is a cleft lip. Two geneticists and a surgeon explain what causes this common birth defect.

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