Uncategorized
-
ChemistryStriking Oil: High-pressure processing minimizes trans fats
Improvements in the techniques used to hydrogenate vegetable oils could soon fill store shelves with food products containing smaller percentages of unhealthful trans fats.
By Ben Harder -
Health & MedicineHeartening Responses: Depression drugs may aid survival after heart attack
Depressed patients recovering from heart attacks receive big heart-health benefits by taking prescribed doses of the antidepressant drugs known as selective serotonin reuptake inhibitors.
By Bruce Bower -
19568
Your article suggests that the change is an evolutionary process. However, this and the other examples given are all more selective breeding than natural selection. In this case, organisms with undesirable characteristics (smaller size) are overrepresented during reproduction as the result of removing the larger organisms from the breeding population.