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17th Jun 2007

Forensic Science


Chris Smith

Helen Scales
Sarah Hall in her lab

Under the microscope this week, the science of forensics. We find out how scientists have exploded the myth about old aged whales thanks to a piece of shrapnel, about a new rice-based vaccine for cholera, and 'whey' to go, how scientists have made edible food wrappers from milk. We investigate what your diet does to your hair, how science can finger forgers and flush out bodies from bogs, and why the key to identifying a torso that washed up in the Thames was rooted in plant science. Plus, in Kitchen Science, we arm Ben with a rifle to find out how fat you'd have to be to stop a speeding bullet with your belly...

Transcript
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Questions

What is the difference between vaccination and immunization?


Why does nervousness make me want to pee?



Kitchen Science

(c) Dave Ansell
Part 1 Part 2 Listen
...or download as MP3 [1] [2]

How fat would you have to be to stop a bullet?

Have you ever wondered how fat you would have to be to stop a bullet with your belly? We went to the Cavendish Laboratory to find out...


Fact or Fiction

A hippo pregnancy lasts 16 months
TrueTrue
The atoms of a substance are most tightly packed in a liquid.
TrueTrue

News

Whey to go! - Scientists make edible food wrapper

Scientists at the US Agricultural Research Service in Wyndmoor, Pennsylvania, have used milk powder and glycerine to produce a water-resistant edible film that could be used to coat or package foods.Peggy Tomasula and her colleagues have found that high-pressure carbon dioxide can be used as a solve...

Whale of a question

A giant bowhead whale caught off northern Alaska recently had a surprise in store for the fisherman who landed it – embedded in its flesh was a piece of a "bomb lance" used by whalers back in the 1880s.  And because the weapon was patented it was easy to date, confirming claims that w...

Cholera vaccine from rice

This week we have promising news for the fight against the dreadful disease cholera, because a team of scientists in Japan are developing a new vaccine against the disease using their national staple food - rice. Cholera continues to be a huge problem across the developing world, with at least 5000...

A round up of wildlife trade

For the last couple of weeks, politicians from all around the world have been meeting to talk about endangered species and to try and decide whether trade in certain species should be restricted to prevent them from becoming even more endangered. Every year millions of wild animals and plants are t...


Interviews

The Torso in the Thames: Using Plant Remains to Identify a Body

Dr Hazel Wilkinson tells Sabina Michnowicz how she used her plant identification skills and a book of spells to help the police with the Torso in the Thames case.

Investigating Forensic Science

We spoke to Dr Trevor Emmett, lecturer in Forensic Science at Anglia Ruskin University about what forensics is, an dhow it can be applied.

(c) Azadeh Khatiri

"Hair" Pollution: How what you eat and breathe affects the composition of hair

Azi Khatiri goes to a lab for a hair cut - to see if vegetarian hair is different to that of a carnivore, or if a rural life leaves a signature in the scalp.

Science Update - Future Machines

This week, Bob and Chelsea tell us about seed that sow themselves and the future of domestic robots!


That's nice of you to say Paul, but what was it about this show that made it so good for you?

C...
- 22nd Jun 07
I would say the first thing was the subject matter, i think Forensic science is a fascinating subject. Also, the new show format is working really wel...
- 23rd Jun 07
My favourite show of this year....
- 5th Nov 09
See the whole discussion | Make a comment



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