Why Do We Hiccup?

Hiccups are one of the great mysteries. Scientists understand how they happen, but have basically no clue why they happen. In this short TED-Ed video, John Cameron explains exactly what’s going on in your body when you find yourself with an annoying case of the hiccups.

From TED-Ed:

The longest recorded case of hiccups lasted for 68 years … and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these ‘hics’ in the first place? John Cameron takes us into the diaphragm to find out.

 

 

Chemtrails Explained

The chemistry behind chemtrails, or more accurately, contrails, for condensation trails.

From Reactions:

This week Reactions is taking science to the skies and checking out the chemistry behind chemtrails, or more accurately, contrails.

It’s easy to look at the white trail behind a jet aircraft and imagine all manner of chemicals raining down from above. However, airplane contrails are simply what happens when the chemistry of burning jet fuel meets the chemistry of air. In this video, Reactions explains the straightforward chemistry of contrails

 

 

What Causes Hallucinations?

From TED-Ed:

A condition called Charles Bonnet Syndrome can cause blind patients to hallucinate scenes in vivid color. fMRI studies show that these hallucinations activate the same brain areas as sight — areas that are not activated by imagination. Other hallucinations also involve the same brain areas as real sensory experiences. What’s going on? Elizabeth Cox details the science of hallucinations.

 

 

Why Do Coffee Naps Recharge You So Well?

With their powers combined, coffee and naps create a greater sum than their parts.

 

 

Load More