hellascience:

This should have happened

hellascience:

This should have happened

White blood cell chasing bacteria among red blood cells.

White blood cell chasing bacteria among red blood cells.

(Source: ForGIFs.com, via 4gifs)

Letter included on Voyager I spacecraft, the first man-made object to reach interstellar space.

Letter included on Voyager I spacecraft, the first man-made object to reach interstellar space.

(Source: orage)

First you get the doctorate, then you get the scientist job, then you get to tickle rats at work.
How do we know that the rats actually enjoy it and are not just squeaking in anguish and confusion? Well, first they conditioned the rats to be afraid of a certain audio tone — the rats would freeze up and become nervous whenever the sound was played. But then, if they tickled the rats beforehand, the rats showed less physical and hormonal signs of fear when they heard the sound.

First you get the doctorate, then you get the scientist job, then you get to tickle rats at work.

How do we know that the rats actually enjoy it and are not just squeaking in anguish and confusion? Well, first they conditioned the rats to be afraid of a certain audio tone — the rats would freeze up and become nervous whenever the sound was played. But then, if they tickled the rats beforehand, the rats showed less physical and hormonal signs of fear when they heard the sound.

(via cracked)