Topic: science

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How to make a rocket

"What's the best scientific formula for a powerful rocket with oxidizer and fuel?" In this video clip from Bang Goes The Theory Series 5, via BBC Earth Lab, we get a quick peek at the mix of chemistry and physics that...

Four levels of chocolate chip cookies: From amateur to food scientist

Learn a few professional tips of what to do (and maybe what not to do) when baking this classic: Chocolate chip cookies. Amateur baker Alina, home cook Lorenzo, and Penny, a professional chef, demonstrate how they mak...

Which life form really dominates Earth?

In 2018, there are around 7.6 billion people on the planet, but weigh us all together on a giant scale and we only make up 1/10,000 of Earth’s biomass. What is biomass? And what life forms dominate the rest of the pla...

Hydrophytes, 4D-printed aquatic ‘plants’ for the future

Tentacles wiggle. Filaments expand. Tails spiral. Looking like coral polyps, sea pens, crustaceans, and other colorful aquatic lifeforms, these multi-material 3D printed 'plants' come alive. Triggered by air that's pu...

The Ocean Cleanup technology and challenges explained

The Great Pacific garbage patch in the northern Pacific ocean holds an estimated 1.8 trillion hard-to-see pieces of plastic that float around on or just below the water's surface. They're kept swirling in an area that...

The NASA-JPL engineers behind Mars InSight & MarCO

NASA-JPL's Mars InSight robotic lander is scheduled to touch down on Mars on November 26th, 2018 after a six-month voyage. Its mission: Gather data on the Red Planet's interior structure and help us better understand ...

Fabulous Food Chains and The Dirt on Decomposers

Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food...

The Meissner Effect: How to levitate a neodymium magnet

A neodymium magnet cube sits on a surface of yttrium barium copper oxide—YBa2Cu3O7, nicknamed YBCO—inside the bottom of a styrofoam cup. A small amount of liquid nitrogen is poured slowly over the YBCO. As it cools, t...

Microworld Unseen: SEM images of the Pale Grass Blue butterfly

Everyday objects and life forms, magnified hundreds, thousands, even tens of thousands times, what would you see? That's what we want to show in Microworld Unseen, a new project from Beauty of Science, in which we use...

What happens to balloon animals in liquid nitrogen?

How can you fit a bunch of balloon animals into a small container? Add some liquid nitrogen into the mix, as demonstrated in this video by Real Physics Live, the YouTube channel for Texas A&M University's Department o...

Soil Life in Action: Bioturbation with and without soil fauna

Bioturbation is the mixing of (plant) residues into soils and sediments by biotic activity. It is one of the fundamental processes in ecology, as it stimulates decomposition, creates habitats for other (micro)fauna an...

A ladybug life cycle time lapse

Bright yellow eggs sit attached to a branch. Though they're vulnerable to predators (including their hatching siblings), many eggs will yield larvae that will go through metamorphosis and turn into ladybugs (coccinell...

Neil deGrasse Tyson tests ‘the world’s smartest dog’

Chaser the Border Collie can identify over 1022 toys. In 2011, astrophysicist and NOVA ScienceNOW host Neil deGrasse Tyson visited with Chaser and her owner, psychology professor Dr. John W. Pilley, to test her memory...

A colorful Chladni pattern demonstration

Watch as Chladni patterns form on a metal plate, a teaching demonstration "spiced up" with colored sand by associate professor of physics at UNC Charlotte skullsinthestars. The video is accompanied by Prelude from Sui...

A LRO moon visualization set to Clair de Lune

This visualization attempts to capture the mood of Claude Debussy's best-known composition, Clair de Lune (moonlight in French). The piece was published in 1905 as the third of four movements in the composer's Suite B...

Why do millipedes have so many legs?

From its Latin roots, the word 'millipede' translates to 'thousand feet,' but out of the 12,000 described species of millipedes, we've yet to discover one with that many. In fact, when millipedes hatch from their eggs...

How NASA’s Parker Solar Probe Will Touch the Sun

In the early hours of August 12, 2018, NASA's Parker Solar Probe launched from Florida's Cape Canaveral Air Force Station, beginning a historic seven-year journey to 'touch the sun.' From The New York Times: The P...

Space Volcanoes, an AMNH Shelf Life 360 video

Here on Earth, volcanic eruptions are dramatic manifestations of our dynamic planet. Elsewhere in our solar system, awe-inspiring extraterrestrial volcanoes—both active and extinct—provide clues to planetary formation...

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