Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
15,999,955 results
Dry ice is basically solid carbon dioxide. The surface temperature of a dry ice block is about -78 degrees Celsius or -109 degrees ...
3,149,688 views
6 years ago
Blood rain has red colored water droplets. There are various reasons behind this. Around Sahara Desert, brownish dust and sand ...
1,478,223 views
5 years ago
Vaccines train our body to fight against the dangerous disease causing pathogens. Vaccines often contain weakened or dead ...
310,430 views
Compared to fruits, fruit juices are unhealthy as they are devoid of the fruit's fiber. Fruit's fibrous content slows down absorption of ...
2,292,044 views
4 years ago
Not every radiation is harmful. Radiation is basically energy traveling as waves or particles. It can be classified as ionizing and ...
1,281,551 views
Vertigo is not necessarily fear of heights. In medical terms, vertigo refers to a false sensation of movement due to which we feel ...
967,335 views
Contact lenses act like a sponge and absorb the moisture present in our eyes. They even trap bacteria. So, wearing them for too ...
2,239,844 views
Millions of years ago, people living near equator received a lot of sunlight and ultraviolet radiation. Now, ultraviolet radiation is ...
312,860 views
ST. LOUIS – BrightPath STEAM Academy is hosting their 5th annual STEAM summer camp at Washington University and ...
136 views
2 days ago
Our universe is very big. It consists of numerous galaxies, stars, planets, etc. However, until now, we are able to examine only a ...
2,626,169 views
Dreams are a collection of images, events or sensations which we see or feel in our daily lives. Now, whether a blind person can ...
2,045,600 views
First of all, a fruit is formed from a flower. A flower consists of ovary, ovule, petals, sepals, stamens, etc. Most of these parts are ...
331,887 views
Why does our Foot Fall Asleep? Many people believe that when our foot falls asleep, basically the blood supply has been cut to ...
503,931 views
1 year ago
Balanced Diet. Proteins help in growth and repair of body. Vitamins and minerals protect our body from various diseases. Dietary ...
6,279,211 views
9 years ago
X-rays are very high energy waves. They were accidentally discovered by a physicist named Wilhelm Rontgen. As he did not ...
238,133 views
Cockroaches are highly resilient creatures. They even survived the mass extinction that wiped out dinosaurs. Cockroaches don't ...
2,052,418 views
Topic: Tooth decay What causes cavities? A black sketch pen. No. Our mouth contains billions of bacteria which live on our teeth, ...
405,349 views
Topic: Thermoregulation Why do we sweat? It is a natural way of our body to take a bath. No. Sweating helps in thermoregulation.
490,104 views
Topic: Human Bones How does a bone heal? Simple. By a bandage. No. Bones are one of the most important parts of our body.
1,558,563 views
Topic: Pimples Why do we get pimples? Because they don't want me to look handsome. No. Pimples are caused due to the ...
3,490,018 views