Topic: bacteria

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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 ...

Deep Look: The Hidden Perils of Permafrost

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...

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...

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...

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

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...

AsapSCIENCE: Paper Towel vs Hand Dryers

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 ...

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...

Sci Code: Don’t Wash Your Jeans

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

The Top 5 Places to Look for Alien Life

Where might we find life in our solar system? Via skeptv, Scientific American Space Lab has a countdown for that: Top 5 Places to Look for Alien Life. Bonus — the video comes with additional reading material:  ...

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...

What does it look like underneath a lake covered with Antarctic ice?

McGill University doctoral student and scientific diver Michael Becker shares the icy underwater view in this New York Times video under Lake Untersee, Antarctica. In the blog post, he also explains the prep behind k...

TED Ed: You Are Your Microbes

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. Full lesson here. ...

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...

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...