Sexual selection: Why do females prefer ornate male signals?

Sexual selection provides an answer to the existence of lavishly ornate signals in animals, but not to the question of why such signals are attractive—for example, why do females prefer the extravagant plumage of peacocks? ...

Assessing the risk of excess folic acid intake

It is well established that folic acid supplementation can significantly reduce the risk of birth defects, including neural tube defects like spina bifida, the most common birth defect of the central nervous system and the ...

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