The Difference Between Poison And Venom

In this animated Ted-Ed lesson, Rose Eveleth explains the difference between poison and venom.


Poison vs. venom: What’s the difference?

Would you rather be bitten by a venomous rattlesnake or touch a poisonous dart frog? While both of these animals are capable of doing some serious damage to the human body, they deliver their dangerous toxins in different ways. Rose Eveleth sheds light on the distinction between poison and venom (and why you shouldn’t treat either one like you’ve seen in the movies).

 

How Sugar Affects The Brain

Dr. Nicole Avena explains how sugar affects the brain.

Enjoy!


How Sugar Affects The Brain

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine — an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.

 

The Loathsome, Lethal Mosquito

The Loathsome, Lethal Mosquito from Ted Ed

Everyone hates mosquitos. Besides the annoying buzzing and biting, mosquito-borne diseases like malaria kill over a million people each year (plus horses, dogs and cats). And over the past 100 million years, they’ve gotten good at their job — sucking up to three times their weight in blood, totally undetected. So shouldn’t we just get rid of them? Rose Eveleth shares why scientists aren’t sure

 

How To Of The Day: How To Tie Your Shoes

Terry Moore demonstrates a simple way to tie your shoes better. In this video he explains that after you make the initial knot and the first bow like you usually would, all you have to do is loop the lace the other way around the bow. Finish the knot and pull tight.

Terry Moore found out he’d been tying his shoes the wrong way his whole life. In the spirit of TED, he takes the stage to share a better way. (Historical note: This was the very first 3-minute audience talk given from the TED stage, in 2005.)

 

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