Topic: bacteria

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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...

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 ...

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...

Can Bird Poop Make Clouds?

How does bird poop potentially help to keep our climate just a wee bit cooler? In this episode of Gross Science, Anna Rothschild helps connect tens of millions of seabirds in the Arctic to 40,000 metric tons of ammoni...

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...

Don’t Wash Your Jeans – Sci Code

SCI CODE's Coma Niddy (Mike Wilson) explains why you don't need to wash your jeans.

Evolutionary branching in action: Bacteria adapt to antibiotics

Watch E. coli bacteria encounter increasing strengths of antibiotics, the medicine that we use to fight infections or infectious diseases. A team led by Harvard Medical School's Michael Baym set up the video demonstra...

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...

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...

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...

How does your immune system work?

The immune system is a vast network of cells, tissues, and organs that coordinate your body’s defenses against any threats to your health. Without it, you’d be exposed to billions of bacteria, viruses, and toxins that...

How is cheese made by hand?

How is cheese made? Tasty's Made by Hand series goes behind the scenes at Beecher's Handmade Cheese in New York City to find out. Cheesemaker Liz Stork is making Flagship Cheddar, a process that depends on timing and ...

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...

Inside the Meteorite Clean Room at the Smithsonian

Meteorites are the chunks of meteors that have hurtled through Earth’s atmosphere and landed/crashed on the ground. There are three types of meteorites: stone, iron and stony-iron, and once they’re in s...

Invisible Nature: The (Super Tiny) Glowing Squid

The Hawaiian bobtail squid (Euprymna scolopes) spends its days buried in sand and its nights stalking prey in the shallow waters off the coast of Hawaii. Just because the squid hunts at night, however, doesn’t mean th...

Learning from leaves: Going green with artificial photosynthesis

Releasing too much carbon dioxide into the atmosphere, thanks to the burning of fossil fuels, isn't a good thing. But what if leaves can provide some ideas for how we can turn this 'nuisance gas' into useful chemicals...

Mimicking shark skin to combat superbugs – Think Like a Tree

In 2001, materials scientist Dr. Anthony Brennan observed that Galapagos Sharks are barnacle and algae-free due to the micro-topography of their skin. These diamond pattern nanoridges also make it difficult for bacter...

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 ...

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