The first mechanical computer?

They call it the world's first mechanical computer. It was created some 2000 years ago. And some months ago, somebody built a working model, based on the original. Read about the Antikythera mechanism.

Water, water everywhere

While we search for water on Mars, having sent spacecraft and landers there to do our searching, we're managing to find the stuff up to 11 billion light years away. Here's how and where.

Learning about cells

I found this very good online resource on Amazing Cells. Some very nifty animations & demonstrations.

It's at the Genetic Science Learning Centre at the University of Utah.

Check it out. It gets a bit detailed as  you go along, but the first few modules are cool.

Also these:

HowStuffWorks

Biology4Kids

Newton's First Law

Smile in the sky

Venus, Jupiter, and the Moon, to light up your night.

Image courtesy Martin Cooper in Bangkok, Thailand, published on the BBC website. Original here

'Cars' stunt

I must admit I loved Cars. It was fun, and the message about sportsmanship and teamwork was portrayed very powerfully. I was a bit foxed by a trick that Doc teaches Lightning McQueen -- how to turn right by steering left! So I was happy to find this article on Popular Science which gave me a reasonable explanation.
Link to article

The International Space Station

It's an enormous 300-ton thing orbiting the earth (that's more than a fully loaded Airbus 340). So how did we get something that big up into space? Simple, it was built in space. Rather, it was assembled there. Here's a feature celebrating 10 years of the ISS.
Link to feature