Earth phenomena

ufo sighting at the o'hare airport [full video documentary] seems at airport all over the world line company something is happening pilot on the ground but again %um I airlines in government...

pulsing with uh... quite interesting regularity and also appears to me anyway that the uh... that lenses still and uh... that's me i have five minutes uh... really i'll do my best this...

strange & weird phenomenon caught on tape in the world [full length nature documentary] 24 hours that day events which surprises occasionally even fight nice we're going to bring you...

In this video the teacher gets her students to use the school grounds to observe shadows at different times of the day and discuss how they are formed. I just want to ask you one thing. Do you see...

Music. Jane Houston Jones: What's Up for March. A bright comet graces the sunset sky. Hello and welcome. I'm Jane Houston Jones at NASA's Jet Propulsion Laboratory in Pasadena,...

MAN: I live in the middle of Australia, and it's just a fascinating country. Just to wake up every day, see the ranges, see the blue sky startling against the red, it's just...

MAN: One certain thing about Central Australia is it's the boss. If you try and fight it, you'll find yourself packing your bags and leaving very quickly. Central Australia is a land...

CHARACTERISTICS OF PLANTS. Plants are living organisms of the kingdom Plantae; which includes multicellular groups such as thalophytes, an example is spirogyra, bryophytes an example is moss,...

Hello! My name is André Kuipers I am an astronaut for the European Space Agency Together with Russia, America, Japan and Canada, we all joined the ISS. The International Space Station. That means...

The Flow of Electric Charge Narrator (Megan Watzke, CXC) Imagine you are shuffling along a carpet and reach out to touch the doorknob, and -- zap! - you get a mild shock. What's happened is...