The blacks are more than 13% of entire American population, but the black scientists, engineers and physicians are less than 0.5%. There is 0 black Nobel laureate in physical science and medicine.

To contrast, the Jews are less than 0.3% of American population, but the Jewish scientists, engineers and physicians are more than 5%. There are over 200 Jewish Nobel laureates in physical science and medicine.

The differences are 1000 and infinity, respectively.

If you are serious about facts and numbers, you should seek a biological explanation rather than just follow those PC bullshits.