![](/files/images/Dr_Saclioglu.jpg)
The Hairy Ball Theorem (HBT) was first postulated (and then proved) by Luitzen Egbertus...
![](/graphics/defimages/humor.jpg)
One of the first technical papers to reference ‘Graunching’ was ‘Railway Noise: Curve Squeal...
![](/files/images/Head_Bobbing.jpg)
The question : ‘Why do some*(see note below) birds bob their heads when walking?’ has perplexed...
![](/files/images/tinamou.jpg)
Please observe the following unusual locomotive behavior which begins at around 55 seconds into...