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Millions of people are alive today because they received the blood given by another person. June 14 is World Blood Donor Day. This is the day on which we can say thank you to those who give blood. Every country raises awareness of the importance of g
Fatty acids - long straight chains of carbon and hydrogen ending with an acid group at one end. Saturated fatty acids have no capacity to absorb more hydrogen atoms. Animal fats are mostly of this typ
Planktonic - a form of life style in which an organisms floats freely in a fluid without significant attachment or association with other living forms. Plaque is a film of bacteria in a matrix of sali
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say what doesn't kill you makes you stronger. But sometimes what makes you stronger can kill you, at least when it comes to blood clotting. Because
HEALTH REPORT - Blood Transfusion Blamed for Second 'Mad Cow' Infection in Humans By Cynthia Kirk Broadcast: Wednesday, August 18, 2004 This is Gwen Outen with the VOA Special English Health Report. B
Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Eric was only sixteen years ol