phd_perspective

Over every mountain, there is a path, although it may not be seen from the valley.

- Theodore Roethke

The sun says hi

Liquid Nitrogen is used for preserving cell stocks in most of the bio-labs stored in dewars. This is what happens to the hose connector after filling the dewar with liquid nitrogen.

Tag us in your photos and like for more interesting photography

Nature protects you. Always care about nature