Biochemistry

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Telomerase Enzymes and Aging

Want to find out how to boost human longevity? Look at the genomes of some very old people and see if they have some genetic or biochemical factors that ordinary mortals do not. And what do you find? High levels of an enzyme called telomerase.

Published by Paul Arnold (15271 pts) on Nov 16, 2009 to
Genetics Articles
What Causes Boogers?

They fascinate children almost everywhere, and during our lifetimes our noses will produce thousands of them from the gallons of mucus we pump out. But what are boogers and why are they so useful?

Published by Paul Arnold (15271 pts) on Oct 17, 2009 to
Genetics Articles
Bacteria and the Causes of Flatulence

It's an ill wind that sometimes blows across the room, but don't worry you're not to blame. Flatulence has a number of causes and one of them is the bacteria that live inside you.

Published by Paul Arnold (15271 pts) on Oct 5, 2009 to
Genetics Articles

What Causes Smelly Feet?

Foot odor can clear a room in seconds. The overwhelming stench that can wilt a flower from ten paces is caused by amongst other things poor personal hygiene and excessive sweating; conditions that allow certain types of bacteria to flourish. It is these tiny little beasties that cause smelly feet.

Published by Paul Arnold (15271 pts) on Sep 7, 2009 to
Genetics Articles
Facts About Proteins

Did you know that proteins are nanoparticles? Or, that proteins have levels of increasing complexity in structure? Find out more about these and many other interesting facts about proteins and protein structure.

Published by Rafael B. (8334 pts) on Sep 5, 2009 to
Genetics Articles
What is the Blood Brain Barrier?

The blood brain barrier is a semi-permeable barrier that acts as a physical obstacle as well as being a cellular transport system. It prevents harmful substances such as bacteria from entering the brain, but allows the passage of essential nutrients.

Published by Paul Arnold (15271 pts) on Aug 11, 2009 to
Genetics Articles

Jean-Martin Charcot and Charcot-Marie-Tooth Disease

Jean-Martin Charcot (1825-1893) was an outstanding French neurologist, and a scientist whose studies had a powerful influence on the countless numbers of researchers who followed him. He made important contributions to the study of multiple sclerosis and Charcot-Marie-Tooth disease.

Published by Paul Arnold (15271 pts) on Aug 7, 2009 to
Genetics Articles
The Discoveries of Disease-Causing Bacteria: Part 2

Time to set sail on another voyage of discovery in the microbial world. This is the second article in a two-part series about famous scientists in biology who have isolated some of the microbes that we share the planet with. In many cases the knowledge has proved vital for tackling disease.

Published by Paul Arnold (15271 pts) on Aug 7, 2009 to
Genetics Articles
Who Discovered E Coli & Other Harmful Bacteria?

Bugs can cause big problems. Identifying disease-causing microbes is the first step in developing strategies to outsmart and defeat them. The scientific landscape is populated with heroic bug chasers who have discovered the causative agents of disease, and in some cases given their names to them

Published by Paul Arnold (15271 pts) on Aug 7, 2009 to
Genetics Articles
Everything You Want to Know about Telomeres and Longevity

Telomeres are repetitive regions of DNA at the tips of chromosomes. Understanding how they function could help to slow down the ageing process. Find out how with our telomere FAQ.

Published by Paul Arnold (15271 pts) on Aug 7, 2009 to
Genetics Articles