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31st Oct 2010

Where does Phlegm come from?


Dave Ansell

Chris Smith
White handkerchief

It's National Pathology Week 2010 and to celebrate the launch we're joined by pathologist Dr Suzy Lishman to take on your science questions! We'll find out where phlegm comes from, how petroleum jelly helps healing and the weight of red blood cells synthesised in a human lifetime. Also, can you concentrate lasers with lenses, why does an open carport stop frost, and if carnivorous plants photosynthesise, why do they need to eat insects? Plus, how researchers in Scotland are sniffing out pollution with such sensitivity, they can detect forest fires all the way from Canada! In Kitchen Science, Dave reads his credit card using rust!

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News

(c) Michael Apel

Super-Waterproof Cotton

New way of making washing machine resistant waterproof cotton fabric.

(c) MBq @ wikipedia

Pancreatic cancer takes ten years to spread

Scientists studying tumour samples pancreatic cancer victims have made a surprising discovery - the disease appears to take a very long time to develop before it begins to spread.

(c) Benedikt Seidl

New form of transistor developed

New form of graphene based reconfigurable transistor has been developed.

(c) Created by Moran Cerf and Maria Moon

Thinking along the right lines

In a study that informs our understanding of how the brain allocates attention to different stimuli, scientists have successfully enabled human volunteers to choose between images on a computer screen just by altering their thoughts.  


Interviews

(c) NASA

One in Five Sun-like stars have Earth-like Planets

Dr Andrew Howard explains how their observations suggest that up to one in five stars like our Sun may have Earth-like planets orbiting them. We find out why this doesn't increase the likelihood of finding life, but may make us question some of the theories about planet formation......

(c) Royal College of Pathologists

National Pathology Week

Dr Suzy Lishman joined us this week to introduce National Pathology Week 2010, and to answer your questions on pathology...

(c) Marks87

Planet Earth - Sniffing the Atmosphere

Predicting how the Earth’s climate is likely to change is one of the toughest challenges facing science, one that as we know is not without its controversies. To build accurate simulations of the climate, scientists need raw data and Planet Earth podcast presenter Richard Hollingham has been to Sco...


Kitchen Science

(c) Dave Ansell

Magnetic Fingerprinting - Reading a Credit Card

Magnetic Fingerprinting - see the data which is stored on the magnetic strip of your credit card.


QotW

(c) Boaworm@en.wikipedia

Which are worse for the environment, volcanic eruptions or plane emissions?

Which are worse for the environment, volcanic eruptions or plane emissions?


Questions

Why would an open carport stop frost?


Why are planets spherical but meteorites irregularly shaped?


How do I get into Pathology?


How do wounds heal when petrolium jelly is applied?


Can lasers be concentrated with lenses?


Does being born by caesarean section affect intestinal flora?


Carnivorous plants can photosynthesise, so why eat flies?


What is an aneurysm?


How can humidity make us both hot and cold?


Why are some babies allergic to milk?


What are 2D barcodes?


Do atoms break when we break something?


Where does phlegm come from?


What weight of red blood cells (erythrocytes) are made during a human lifetime?





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