Topic: dust

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Why do some people have seasonal allergies?

If you've ever experienced watery eyes, sneezing, runny nose, itchy throat, and other allergic reactions during springtime, or you haven't but you know someone who has, this beautifully animated TED Ed by Eleanor Nels...

The Rosetta Mission Asks, “How Did Our Solar System Form?”

How does studying Comet 67P/Churyumov–Gerasimenko start to shed light on some of the questions we have about the origins of the universe? For example, how did gas and dust form our solar system? How did we get from st...

How to Observe a Meteor Shower – Cal Academy

Get some blankets, find a dark hill on a dark night, make sure you've napped, and put away that smartphone. The California Academy of Sciences has some excellent tips for seeing shooting stars, more accurately known a...

NASA: Satellite Tracks Saharan Dust to Amazon in 3-D

Watch 182 million tons of dust ride the wind out of Africa's Sahara Desert in 3D, as tracked from 2007 through 2013 by lidar, thanks to CALIPSO, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation sa...

What is a comet made of? – Dara Ó Briain’s Science Club

What makes up a comet? Professor Mark Miodownik mixes the makings of one together with comedians Dara Ó Briain and Mark Steel in this episode from Dara Ó Briain’s Science Club.

ScienceCasts: A Naked-Eye Comet – Comet Pan-STARRS

Photographer Dan Finnerty's time lapse view of comet Pan-STARRS over Southern California is breath-taking. The colorful sunset and moon setting doesn’t hurt either. Full screen! From...

Dust particles in the sunlight

Dust particles dance to a Radiohead cover, filmed by Herman Yung.  Watch some rather surprising videos about dust and sunlight.