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What is Living in my Mouth?
(c) NASA

The Cassini-Huygens Mission to Titan, Saturn's Largest Moon

Phil Rosenberg

Imagine we had discovered another world, slightly smaller than our own, with rain clouds, rivers and lakes on gently hilly continents. Sounding a bit bland and Earth like? Okay then lets add some twists...

(c) Cary Bass

It Don’t Necessarily Glow, Bro!

Chris Smith

Simpsons fans will know only too well the opening sequence to the cartoon in which Homer discovers, during his commute, that he’s taken some of his work home with him – in the form of a radioactive fuel rod from the nuclear power plant! Unsurprisingly, the lump of material he subsequently throws out of the car window is glowing an ethereal green colour. But therein lies multiple myths of atomic-powered proportions, because most radioactive substances don’t really glow at all, let alone light up green!

(c) NASA and STScI on hubblesite.org

A Whole New World

Catherine Zentile

Scientists recently spotted a planet being born. It's just formed and is still enshrouded within the disk of dust that formed it. So like a baby in the birth canal, the newborn, placenta and amniotic fluid of planetary formation are all still there for scientists to see. In terms of age, this was a teenage pregnancy, but what it can tell us about the planetary birth process makes this particular cosmic conception very exciting...

CT and Nuclear Medicine

Bob Bury

Radiologist Bob Bury investigates some of the new 'scanning' technologies, which have revolutionised medical practise. What is a CT scan, how do CT scanners work, what is nuclear medicine and PET (positron emission tomography) ?

Ultrasound and MRI

Bob Bury

Ultrasound Scans (USS), and now Magnetic Resonance Imaging (MRI), allows us to visualise body tissues in high resolution, without the risks associated with the use of ionising radiation such as X-Rays. Bob Bury explains how ultrasound scans and MRI scanning works.

Jack Parsons and The Curious Tale of Rocketry in the 1930s

George Pendle

The fantastical, tragic and largely unknown story of John Parsons is one of the most intriguing tales to be found in the annals of modern science. Founder of the Jet propulsion Lab, and obsessed with magic. George Pendle investigates.

(c) Robert Cailliau

Once a Knight is Not Enough

Douglas Richards

Sure, he was knighted by Queen Elizabeth II and has received a number of other honours, but has Sir Tim Berners-Lee yet received his due? Douglas Richards argues that for a man who brought into being a tool - the hypertext language around which the Internet is based - that will have as profound an impact on human civilization as the wheel or electricity, the answer is an emphatic no...

(c) Pacific Northwest National Laboratory

A History of Superconductivity

Dave Ansell

How were superconductors discovered, what are they, how do they work, what can they do for us, and what's new in the field of superconductivity.

(c) NASA

Towards a Manned Mars Mission

Frank Witte

Recent Mars missions have produced compelling evidence for what was once a wet world, where life could well have flourished. Now scientists are about to embark on a mission with the best chances yet of finding it. Touching down near the Martian north pole, the Phoenix lander will begin looking for the chemical hallmarks of life past and present. But what do we already know about our near planetary neighbour? Frank Witte finds out...

Looking Through You...How do X-Rays Work ?

Bob Bury

Discovered by Wilhelm Roentgen almost by accident, X rays are part of the electromagnetic spectrum that includes visible light. Bob Bury desribes how they work and can be used.

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