This video is answering the question of why does it smell nice when it rains.

Every year millions of tons of dust from the Sahara Desert are swirled up into the atmosphere by easterly trade winds, and carried across the Atlantic. The plumes can make their way from the African continent as far as...

Atmospheric scientists Bernadett Weinzierl of the University of Vienna, Paul Newman of Goddard Space Flight Center, and Róisín Commane of Harvard University sent back a video postcard from the last three legs of the Atmospheric...

Simulations of young stellar systems suggest that planets embedded in a circumstellar disk can produce many distinctive structures, including rings, gaps and spiral arms. This video compares computer simulations of hypothetical...

Four Maryland high school students were inspired by a documentary to find a way to let people know when a potentially hazardous dust storm is incoming. Using National Weather Service forecasts improved by NASA data, their...

Faisal Mohyuddin reads "His Ashes Upstream From Where He Was Born" by Hari Alluri.

Why is it important to reconstruct the long history of the Earth's climate, and how can we do that?

Look up to the night sky just before dawn, or after dusk, and you might see a faint column of light extending up from the horizon. That luminous glow is the zodiacal light, or sunlight reflected toward Earth by a cloud...

Retro Neon Signs: Art Lesson with Chalk Pastels

Watch the race to be the most populous city on earth, from 1500 to the present day. The FT's John Burn-Murdoch looks at how populations have shifted over time and how the emerging markets have come to dominate

According to Mary Johnson, principal scientist at Procter & Gamble, over two-thirds of laundry dirt comes from the secretions of the outer body, namely in the forms of sweat and sebum. Sebum is the oily waxy substance that you feel on...

Jared Espley talks about the close encounter between Mars and Comet Siding Spring at the Oct 17, 2014 liveshot. This is a canned interview.<b<b<br/>r/>r/>

To protect your vision, the human eye gets something called immune privilege. It is basically a license that the body’s immune system gives to some organs, like the eyes and the brain. Immune privilege limits the response of the immune...

NPP is a continuation of the existing Earth-observing satellites (EOS) and it builds on the legacy of multi decades of critical data. In this video, NPP Project Scientist, James Gleason (NASA Goddard Space Flight Center), summarizes the...

The Colorado River provides water for seven states, and it's stretched thin. Water rights exceed the actual volume of the river by more than ten percent. NASA scientists are studying the source of this water.

We all know the perfect, symmetrical and flawless galaxies Hubble has set its lense on, but there is also a catalogue dedicated to the most peculiar galaxies out there... The Arp Catalogue

Michael Rosen performs The Lone Ranger.

This video explores five fun facts about rain.

How important was Louisbourg? What was the British plan of attack? Who did the British choose to command the operation and why? How did the commander take care of the health of his men? Why was it important to move quickly with the...

What are aerosols and will they warm or cool the planet?

Only Shooting Stars

Learn the key characteristics of comets, including their icy composition, the formation of their tails as they approach the sun, and their historical significance. The video also highlights the role of comets in bringing water and...

This video will teach you the tools, safety precautions, and procedures needed to begin carving floral foam. The example demonstrated is in-the-round, has multiple openings for negative space, and can stand up unassisted. Floral foam...

We’re striking gold on today’s episode of Travel Thru History! We’ll hike a “Mile-High” to a city surrounded by mountains, plains and gold mines. It’s a city diverse in indoor cultural activities as well as outdoor adventures. We’re...