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The cell membrane at first may seem a simple device, but it is in fact a very complex machine. The basic building block is the phospholipid, a set of molecules that have hydrophilic (water loving) heads on one side and a hydrophobic (water hating) tail on the other. Because of this relationship the water loving heads>
 “May you live in interesting times!” So goes the ancient Chinese curse, and times certainly must have been interesting for Alexander Ivanovich Oparin, who was 23 years old when he graduated from Moscow State University in 1917. Lenin and the Bolsheviks had just seized power, the Czar and his family were imprisoned>
Remember when a small bacterium from California’s Mono Lake was supposed to rewrite the very definition of life? Headlines screamed: NASA finds “alien” life on Earth! The organism reportedly swapped out precious phosphorus - one of life’s six essential building blocks - for arsenic, the toxic villain in murder>
We don't actually know whether probiotics have a measurable impact on digestive health - and if it is positive. brownpau/Flickr, CC BY-SABy Paul Bertrand, RMIT University; Andrew Ball, RMIT University, and Kate Polglaze, RMIT University>
Older people who eat large amounts of meat have a lower risk of dementia and cognitive decline than they should have with a gene that some link to increased risk. The gene that has been linked to increased risk is Apolipoprotein E, which plays a role in the transport of cholesterol and fats in the brain and blood>