Blood :

While physicists are convinced that we could never switch gravity off, we can still explore the idea.

Without gravity, our bodies would change. After a short visit to space, astronauts lose bone mass and muscle strength, and their sense of balance changes....

Einstein's theory of general relativity says that Time can be bent, stretched and squeezed, and the four-dimensional fabric with a huge mass creates a dimple, or bending of Space-Time, causing gravity.

This effect of time dilation is proven using GPS satellite technology in space, making a...

1. Neurons are the nervous system cells transmitting electromagnetic signals using action potentials and neurotransmitters.
2. Glia is the non-neuronal system cell keeping the neurons healthy and working.
3. Cerebrospinal Fluid or CSF is the fluid that ou...