Topic: dirt

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Why do Leafcutter Ants cut leaves and carry them away?

Where are the Leafcutter Ants carrying all those leaves to? They do drink the leaf sap, but they don't eat them, so what are the leaves for? File under composting and farming: It's all about growing a highly nutritiou...

Beam Drop Inhotim, 2008, Brazil – Chris Burden

A large space in the dirt is cleared, a pit is dug and filled with wet concrete, and a huge crane lifts and drops 100 locally sourced steel I-beams into the pit. This is the work of late American artist Chris Burden f...

Reading Rainbow: LeVar Burton visits the Grand Canyon

Take a video field trip to the Grand Canyon with LeVar Burton and Reading Rainbow as he explores the canyon's history, early inhabitants, and its original formation. The views are incredible from a boat on the Colorad...

Transplanting pansies with a highly efficient gardening robot

So smooth, seemingly gentle, and ridiculously time efficient, the transplanting pack planter robot in this Bob's Market and Greenhouses video moves crowded plants from smaller containers to much larger ones. On deck: ...

Seed germination to growth time lapses by Neil Bromhall

To see the unseen through technology is one of our favorite things, so we love watching Neil Bromhall's beautifully scored plant growth time lapse videos. Above, a compilation of germination to growth footage. Seeds i...

From seed to sapling – Time lapse of an oak tree

Over the course of eight months, Neil Bromhall filmed a sprouting acorn, one that he would eventually plant as an oak tree sapling in his garden: The acorn was collected in September and filmed in an underground s...

What makes that fresh rain smell? MIT films rain drops to find out

Why do we smell that fresh earthy scent before and/or after it rains? With high-speed cameras, MIT researchers have filmed rain drops, and believe that the footage explains petrichor, the "pleasant smell that frequent...

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...

Dead stuff: The secret ingredient in our food chain

When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nouri...

Minute Earth: Why Do Rivers Curve?

"...All it takes to turn a straight stretch of river into a bendy one, is a little disturbance and a lot of time, and in nature there's plenty of both." In this Minute Earth episode, narrated by science writer Emily E...

How do cliff swallows build their mud pellet nests?

From the Cornell Lab of Ornithology, watch as some cliff swallows gather small chunks of mud from the water's edge, and then, against a cliffside or man-made wall, stack the mud pellets around themselves like 1,000 dr...

Cauliflower: How Does it Grow?

Five million heads of cauliflower grow every year at Lakeside Organic Gardens, a family-owned farm in Watsonville, California. These flower bunches are full of vitamin C, fiber, and antioxidants... and they change fro...

In Search of Fossil Fish – The Brain Scoop

Go fishing for 52-million year old fish with Emily Graslie of The Brain Scoop. In this episode, she's In Search of Fossil Fish with The Field Museum at Wyoming's Fossil Lake, an early Eocene treasure trove of fossiliz...

Vermicomposting: How worms can reduce our waste

One third of food made in the world each year ends up in the trash can. How can we stop the waste by putting that food to good use? From TED Ed, learn how worms can naturally convert our organic waste — green leaves, ...

Fossil hunting in unexplored dinosaur country

This is what it's like to be a paleontologist out in the field, from waking at dawn's first light, to digging in the rocks, to wrapping or jacketing finds, to gathering around the campfire, exhausted and covered with ...

Google Glass in the Gobi: Dinosaur Nest

Aki Watanabe demonstrates the careful process of extracting and jacketing a nest of dinosaur eggs in the Gobi Desert. A graduate student at the AMNH’s Richard Gilder Graduate School, ...

Inside the Compost Cycle: Turning waste to nutrient-rich soil

From KQED Science, find out how San Francisco’s 600 tons of compostable waste can be transformed into a dark, nutrient-rich material that will not only feed plants to improve the quality...

ScienceTake: Uncovering the Secrets of Mole Motion

An animal that can push with 40x their bodyweight, the hairy-tailed mole for example, is definitely something to better understand, and scientists at the University of Massachusetts and Brown...

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