Amoeba Sisters
Homeostasis and Negative/Positive Feedback
We all need a little feedback, both positive and negative! Take on one of the trickier Biology 1 concepts using a thoughtfully worded video from a fantastic biology playlist. The narrator explains both types of feedback with plenty of...
Kurzgesagt – In a Nutshell
The Antibiotic Apocalypse Explained
Antibiotic resistance encompasses one of the world's most pressing public health problems. The video explains how antibiotics work and why humans are becoming resistant to them. It expands on the idea of antibiotic resistance and options...
Howard Hughes Medical Institute
Great Transitions: The Origin of Humans
What makes you human? Bipedality, tool use, and large brains, of course! Scholars learn about the early evolution of humans by watching a video. Scientists explain the challenges in studying early humans and the information gleaned from...
SciShow
Why Do We Jump in Our Sleep?
A hypnagogic jerk, or hypnic jerk, is when you startle yourself awake just as you are drifting off to sleep. The video describes what a hypnic jerk is, how common they are, and who typically experience them. Viewers are offered two...
SciShow
Mind Reading
The average number of thoughts the human brain has every day is around 70,000. This video explores how scientists use MRIs to read people's thoughts by analyzing brain waves and decoding them into images. Application would be for people...
JFR Science
Percent Composition
Everyone knows water is made of hydrogen and oxygen ... but how much of each? Science scholars explore percent composition through a video from JFR Science. The narrator provides background information, time-saving tips, and example...
Bite Sci-zed
Digestion of a Hamburger
How do bodies digest all of the parts of a hamburger? An interesting video follows a hamburger through the digestive system, showing the pathway of digestion and explaining how each of the components of a hamburger—the bun, the meat, and...
The Brain Scoop
The Origin of Mammal Movement: Harvard Adventures, Part I
It may be difficult for some humans to walk and chew gum at the same time ... but reptiles can't breathe while running at all! Compare the skeletal systems of reptiles and mammals in the first installment of Brain Scoop's fossils and...
Periodic Videos
Radium
The human body deposits radium in the bones, teeth, and marrow, just as it deposits calcium. Learn more about a radioactive element in episode 88 of 118 on chemical elements. The narrator shares the discovery, properties, and...
TED-Ed
Why Do We Hiccup?
There are so many remedies for curing the hiccups, from eating honey, to being scared, to breathing into a bag. But what makes the diaphragm contract the way it does? Watch an informative video to find out what causes...
Crash Course
The Skeletal System
Humans have 54 bones in their hands, fingers, and wrists, allowing for a variety of movement. The 19th video in a series of 47 introduces learners to the anatomy of the skeletal system. The narrator teaches about flat, short, and...
TED-Ed
Poison vs. Venom: What's the Difference?
Did you know that poison and venom are not the same? Both are toxic, but poison must be inhaled, ingested, or absorbed, while venom must be injected into a wound. The narrator explains that some toxic compounds may be used for good, as...
TED-Ed
How Does Your Body Know What Time It Is?
Do you often go to bed and wake up around the same time? Does your stomach begin to growl at the same time before eating lunch? This pattern is known as a circadian rhythm. Watch a video that explains the physiological phenomenon and how...
California Academy of Science
What's Up With Your Gut Microbiome?
Some scientists now consider the gut microbiome a distinct organ in the human body. Curious science scholars learn about this ecosystem thriving inside them and its important functions with a video from Our Hungry Planet. The 11th lesson...
SciShow
Weird Diagnostics
Trained dogs are much better at detecting some types of cancer than any test humans have created. The video explains weird ways of diagnosing illnesses. It covers having a dog sniff you for cancer, smelling your breath, tasting...
FuseSchool
What Are Vaccinations?
Are vaccinations necessary in preventing illness? As part of a larger playlist, a short, yet informative video describes what vaccines are and how they work in the body. Viewers witness the introduction of the vaccine culture and how the...
Bozeman Science
Reproductive System
The human reproductive system contains the largest (egg) and smallest (sperm) cells in the human body. It's time for scholars to review the differences between asexual and sexual reproduction. The instructor reminds them how meiosis...
SciShow
Vestigial Structures
Vestigial structures no longer perform their original function but are still found in many species. A video discusses the appendix, tail bone, wisdom teeth, and more. It explains the original purpose, the current purpose, and connections...
SciShow
How Much of Me Is "Star Stuff?"
Sugar and spice and everything nice ... and a little bit of star stuff! An enthusiastic presentation describes the elemental makeup of the human body and how these materials originated in a red giant star. As an episode of a larger solar...
Periodic Videos
Magnesium
Magnesium is the eighth most abundant element in Earth's crust, the ninth most abundant element in the universe and the 11th most abundant in the human body. A video on chemical elements focuses on magnesium. It describes the properties,...
TED-Ed
How Did Teeth Evolve?
Tooth be told, your class is gonna love this video! Science scholars look beyond simple cell types and enter the world of teeth. The narrator describes how we think teeth evolved to their present form, how form dictates function, and how...
Be Smart
What If You Never Forgot Anything?
What would life be like if we never forgot anything? Challenge scholars to imagine the possibilities using a video from an extensive science playlist. Content includes how memories form, why forgetting is essential to learning, and what...
SciShow
5 Weird Reasons Not to Smoke
Smokers are 70 percent more likely to develop hearing loss than non-smokers. Avideo skips the common side effects of smoking and explains five less obvious reasons not to smoke. It touches upon physical appearance, pet health, and others.
Crash Course
The Heart – Heart Throbs (Part 2)
The heart has its own electrical supply, and even if separated from a body, will continue to beat. Classes learn about the electricity of the human heart in video 26 of a series of 47. Specifically, they explore pacemaker cells, SA nod,...