Search Results for Ted-Ed

How Wastewater Becomes Drinkable

How Wastewater Is Made to Be Safely Drinkable

November 21, 2023

Frog Test for Pregnancy

How Frogs Were Once Used to Detect Pregnancy

October 4, 2023

Food expiration date

Food Expiration Dates Explained

June 6, 2023

Airplane Mode

The Importance of Putting Your Phone on Airplane Mode During Flights

August 11, 2023

Popcorn at the Movies

How Popcorn Became a Movie Watching Staple

April 29, 2023

Stretching Physiology

The Physical and Mental Benefits of Stretching Regularly

April 3, 2023

Seeing Faces In Things

Why Seeing Faces in Things (Pareidolia) Is Evolutionarily Advantageous

June 14, 2023

Cute Aggression

The Science Behind Overwhelming Cuteness

January 12, 2023

Who Invented Dumplings

The Unexpected Origins of Chinese Dumplings

July 5, 2022

How Alcohol Causes Hangovers

The Sobering Physiology Behind Hangovers

July 6, 2022