Topic: bacteria

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You Are Your Microbes – TED Ed

Every gut microbe has a job to do. Find out who these millions of different microbes are and what their jobs are within the ecosystem that is you, from the wonderful TEDEd: You Are Your Micro...

Why Do Clouds Stay Up? – It’s Okay to Be Smart

Clouds are filled with so many water droplets that they're actually heavy... like 100 elephants heavy or a 747 airplane heavy! So why don't clouds fall out of the sky? It's Okay to Be Smart's Joe Hanson explains every...

Animated Life: Seeing the Invisible

"Everything that you can actually see with your eye is just the smallest sliver of life on this Earth. Most of life is invisible..." And so begins the exquisite paper-puppetry of Seeing the Invisible, a video by F...

Cheese-Flipping Robots and How Cheese is Made

So how does one make cheese? We know cheese is made from the milk of cows and goats, for example, but then what happens? From the book, How Did That Get In My Lunchbox, we know a bit, but th...

How the food you eat affects your gut – TED Ed

The bacteria in our guts can break down food the body can’t digest, produce important nutrients, regulate the immune system, and protect against harmful germs. And while we can’t control all the factors that go into m...

Bacteria Growth, a time lapse

From medicalschool, watch this time lapse clip of how bacteria reproduce by dividing into two every 20 minutes.  Bacteria are microscopic single-cell organisms that are found in the air, ins...

This is What Outer Space Does to Your Body

NASA astronaut, engineer, and former football player Leland Melvin explains how the human body changes when it leaves the confines of Planet Earth. Your body may become taller, your heart might get smaller and change ...

How do wounds heal & how do scars form?

What happens when we get cut and bleed? How does skin scab over and heal? And why does skin scar? These two new vocabulary-filled TED-Eds from Sarthak Sinha get deep under our skin to give us a better understanding of...

What causes cavities?

When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can...

Antarctica’s Ice Formations: Volcanic ice caves & undersea brinicles

The caves of Mount Erebus, Antarctica's only active volcano, hide fragile and sparkling secrets: spectacular ice stalagmites, stalactites, shards, and feather-like crystals that form from the volcanic steam and gases ...

Explaining The Tree of Life

Travel millions of years through time with Sir David Attenborough as he explains The Tree of Life. Some background on the metaphor from The New York Times: In his 1859 book “On the Origin of Species,” Charles Darw...

The Grand Prismatic Spring: One of Nature’s Most Amazing Sights

Yellowstone National Park's Grand Prismatic Spring may be the nation's largest hot spring, but it's primarily known for its vibrant rainbow of colors. Created by the unique bacteria and algae that live within each hue...

Paper Towel vs Hand Dryers – AsapSCIENCE

Washing your hands properly with soap and water successfully rids your hands of nearly all traces of bacteria. After the soap and water, drying your hands with a hand dryer is most efficient. You can help prevent ...

Explore wastewater treatment with LeVar Burton & Reading Rainbow

Update: Due to a legal dispute between public broadcast station WNED and LeVar Burton's RRKidz, new Reading Rainbow videos have been removed from YouTube. We hope to include the original video when the dispute is reso...

Troglobites: Strange Cave Specialists – Planet Earth

Troglobites are rare and specialized animals that only live in dark caves. In this clip from the BBC's Planet Earth: Caves, episode 4, we observe Thailand's cave angel fish, the Texas Blind Salamander, and the Belizea...

Subvisual Subway – The Art of New York City’s Bacterial World

Why do we wash our hands after we've been riding on public transportation? Is it true that "using the handrails on the subway is like shaking hands with 100 people"? New York City-based typographer and designer Craig ...

Why do some people have seasonal allergies?

If you've ever experienced watery eyes, sneezing, runny nose, itchy throat, and other allergic reactions during springtime, or you haven't but you know someone who has, this beautifully animated TED Ed by Eleanor Nels...

The Hidden Perils of Permafrost – Deep Look

When you put a permafrost core in a CT scanner and analyze the data, you're traveling back in time to answer important questions: What was buried deep within the frozen soil? How much of it is ice or plant matter? How...

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