Three types of looming-selective neurons have been found in the nucleus rotundus of pigeons, each computing a different optical variable related to image expansion of objects approaching on a direct ...

The best building games are a great way to indulge architectural creativity, but there are many great building games on PC to choose from. Thankfully, we have the brick-and-mortar necessary to ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...