Be Smart
Where Did Humans Come From?
Part of a biology playlist, the video discusses human ancestry and represents the first in a smaller four-part series exploring humans. It describes the fossils found, where the fit on the family tree, and why there are so many missing...
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The Superb Owl!
What if we described an animal like we describe a football team competing in the big game? A cool video attempts to do just that as part of a larger biology playlist. It discusses an owl with superb adaptations and anatomy to survive in...
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How Many Species Are There?
Scientists discover over 15,000 new species each year. Despite studying life on our planet for all of human history, we still don't know how many species exist on Earth. An informative video from a biology playlist presents the dilemma,...
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Pigeon Story: How the Rock Dove Became the Sky Rat
After training, pigeons can recognize correctly spelled words among misspelled words. In addition, they can use number sense to count, memorize thousands of pictures, and use navigational aids humans don't understand. As part of a larger...
Be Smart
The Surprising Origin of Thanksgiving Foods
Many of the foods pilgrims ate include foods people still eat at American Thanksgiving celebrations today. The turkey, a domesticated animal native to the Americas, often finds itself the center of attention on this holiday. Today's corn...
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We've Got Ants in Our Plants!
Some ants are so aggressive, they can repel an elephant. Viewers learn this fact and more in an engaging video that is part of a larger playlist on biology. It discusses the relationships between ants and plants. While plants provide...
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Is Sugar a Drug?
Did you know that sugar stimulates the same areas of the brain as cocaine and heroin? As part of a biology playlist, the thought-provoking video discusses if sugar should be considered a drug. It talks about our need for sugar, our...
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How Baby Sea Turtles Find Their Way Home
Sea turtles return to the beach they were born on more than a decade later to lay eggs. An interesting video explains this phenomenon as part of an extensive playlist covering biology. It describes what scientists know and don't know...
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Why Do More Species Live Near the Equator?
The tropics contain about 40 percent of the area on Earth. Viewers take a trip to Peru as an entrancing video from a larger biology playlist explores the region. It explains the facts and theories about the biodiversity near the equator....
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Your Microbiome: The Invisible Creatures That Keep You Alive!
Humans are born without any bacteria, yet have acquired the majority of the microbiome expected for adulthood by the age of three. A biology video introduces the human microbiome, and describes when the microbiome begins developing, how...
TED-Ed
Can 100% Renewable Energy Power the World?
If renewable energy sources are the best option, why aren't they used on a global scale? Junior environmentalists explore the benefits and problems associated with energy sources such as solar, wind, and biomass with a short video and...
TED-Ed
How Do Fish Make Electricity?
Shocking! Share the story of electric fish with young biologists for a fascinating lesson in specialized cells. The narrator of the video describes how some species of fish generate electric current, differentiates between weakly and...
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Are We All Related?
All humans alive today descended from the same woman who lived just 150,000 years ago. A thought-provoking video explains this concept as part of a larger biology playlist. It lists the location where the woman lived as well as where our...
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How The Toilet Changed History
In 2017, one in every three people still don't have access to a toilet. As part of a playlist on biology, an interesting video explains this global health topic. It describes society before toilets, disease research throughout history,...
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Is This A New Species?!
Which makes a better name for a new species: Hermit Crab Caterpillar or Sir Leafs-a-Lot? Exploring a rainforest in Peru, the video helps viewers discover a unique species as part of a larger biology playlist. As scientists learn more...
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Why Don’t Woodpeckers Get Concussions?
Woodpeckers withstand more than 4,000 Gs without getting a concussion, yet humans only withstand up to 300 without getting one. An eye-opening video explains the difference in anatomy between humans and woodpecker brains as part of a...
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Why Don't Ants Get Stuck In Traffic?
Ants head out in the morning to collect food and all return at the end of the day, yet they don't have traffic jams. An intriguing resource compares ant travel patterns to human travel patterns as part of a biology playlist. It discusses...
Be Smart
Fact vs. Theory vs. Hypothesis vs. Law… Explained!
Gravity exists as both a scientific theory and a scientific law. For those struggling with the difference between scientific facts, theories, hypothesis, and laws, an informative video comes to the rescue. It offers a definition of each...
Socratica
Significant Figures | Add, Subtract, Multiply and Divide Sig Figs
Selecting the proper measurement requires thought; for example, an odometer shouldn't be used to measure millimeters due to a lack of preciseness. An informative video from a Socratica playlist explains the importance of significant...
PBS
The Strange Case of the Buzzsaw Jaws
Shark teeth in Idaho, China, and Russia confused scientists for hundreds of years. A spiral of sharp teeth presented the first clue, but where would they even go on a shark? Learn more about the strange case in a video that is part of a...
PBS
The Search for the Earliest Life
Life existed on Earth more than four billion years ago, much earlier than scientists predicted. Eons presents a lively video as part of a larger series. It explains the recent findings on multiple continents that alter the timeline of...
PBS
A Brief History of Geologic Time
How do scientists know the history of Earth before humans—or any mammals—existed? An epic "Eons" series video explains the larger history of geologic time. It highlights the eons, eras, periods, epochs, and ages scientists use to divide...
Socratica
Chemistry: What Is a Metal? (Metallic Bonds)
Metals offer unique properties thanks to the structure of their valence electrons. The Socratica chemistry playlist includes this video explaining what a metal is and the properties of metals. It focuses on their structures, features,...
TED-Ed
The Surprising Cause of Stomach Ulcers
That raging fire in your belly is not necessarily the burrito you had for lunch! Aspiring doctors get an in-depth look at the cause of stomach ulcers with an interesting video. The narrator discusses ulcer treatments of the past, how...