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The Science of Well-being
(c) National Institutesof Agriculture

Ricin : The Secret Assassin

Martin Westwell

The recently discovered traces of ricin in a makeshift laboratory in a flat in London have caused a media frenzy over its potential use in a terrorist attack. What is it?

Genetically Modified (GM) Plants

Mark Tester

Genetic modification (GM) is the heritable alteration of the genetic make-up of an organism, and is a natural process as old as genes themselves. Mark has a look at artificial and natural genetic modification.

What is Living in my Mouth?

Christa Favot

The last time you opened wide, did you ever imagine that you were opening the door to what is essentially home to thousands of bacteria? Christa Favot introduces you to what's really living in your mouth, including plaque bacteria and biofilms.

Forward To The Moon

Dana Mackenzie

George Bush's plan to establish a permanent base on the Moon by 2020, and send astronauts to Mars by 2030, has drawn a less than enthusiastic reaction. Why should we go back?

(c) Kenneth Libbrecht

The Science of Snowflakes

Catherine Zentile

Snowflakes form when water vapour condenses directly into ice crystals, and for many years writers have used their delicate beauty as a metaphor for fragility and uniqueness. But now scientists are studying these same qualities to understand one of the most important molecules on Earth – water.

The Menstrual Cycle and Period Problems

Sarah Urquhart

A period, or menstruation, marks the beginning of the process by which the uterus, or womb, prepares itself for pregnancy. Sarah has a look at the process and what can go wrong including missed or late periods, intermenstrual bleeding, heavy periods, painful periods, pre-menstrual syndrome (PMS), and the menopause.

Why what you see is NOT what you get !

Martin Westwell

Ask any A level physicist why we see the colours that we do and they should have no problem with the answer. Martin demonstrates the principle of constancy - how the brain processes vision and changes colours - so what you think you see and what you actually see are different.

(c) Niki K

The Science of HIV & AIDS in the UK

Helen Carter

There are five million new cases of HIV internationally every year, and the virus is second only to tobacco as the leading cause of death worldwide. But what is HIV, how does it cause disease, what is AIDS, how do anti-AIDS drugs work, and what does HIV mean for Britain?

(c) morguefile

Science of Love - Cupid's Chemistry

Claire McLoughlin

Claire McLoughlin describes the chemistry of love and what happens when we fall in love, including substances that make us feel turned on, the neurotransmitters involved in orgasm and pheromones, the mediators of sexual attraction.

(c) Prof. Howard Wheal and Dr. John Chad, University of Southampton

How Does a Brain Cell Work

Barrie Lancaster

They are found in well-organised groups; they communicate constantly through long ranging connections; there are 100,000,000,000 of them, surrounded by at least 10 times that many supporters, and they are all inside your head – they're brain cells, but how do they work?

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