Something is off about his ear. If you look at his official VP photo in the LoC from ~11 years ago: https://www.loc.gov/resource/ppbd.00359/ the bottom of his ear has changed how it attaches to his head.

Also, from the Clarence Thomas hearing (original joining) https://www.washingtonpost.com/video/politics/1991-biden-on-why-the-fbis-clarence-thomas-report-was-inconclusive/2018/09/26/08d58d84-c196-11e8-9451-e878f96be19b_video.html

From the debates (new joining): https://www.youtube.com/watch?v=bPiofmZGb8o

From buzzfeed: https://www.buzzfeednews.com/article/gabrielsanchez/joe-biden-career-politics-photos-pictures

50 years of Biden in politics, all with the old method of joining his ear to his head. You can trust these pictures because several of them are of him in the typical Biden holds a woman pose.

Something is off about his ear. If you look at his official VP photo in the LoC from ~11 years ago: https://www.loc.gov/resource/ppbd.00359/ the bottom of his ear has changed how it attaches to his head.

Also, from the Clarence Thomas hearing (original joining) https://www.washingtonpost.com/video/politics/1991-biden-on-why-the-fbis-clarence-thomas-report-was-inconclusive/2018/09/26/08d58d84-c196-11e8-9451-e878f96be19b_video.html

From the debates (new joining): https://www.youtube.com/watch?v=bPiofmZGb8o