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 ...

The world's largest particle collider produces roughly 89,000 gold nuclei every second, all from smashing lead atoms together ...

This discovery led Pavlov to develop the theory that behavior could be learned simply by introducing consistent stimuli. Classical conditioning is often considered the most important discovery in the ...