MATERNAL ANDROGENS INCREASE SIBLING AGGRESSION, DOMINANCE, AND COMPETITIVE ABILITY IN THE SIBLICIDAL BLACK-LEGGED KITTIWAKE (RISSA TRIDACTYLA).

Maternal androgens increase sibling aggression, dominance, and competitive ability in the siblicidal black-legged kittiwake (Rissa tridactyla).

Animals and plants routinely produce more offspring than they can afford to rear.Mothers can favour certain young by conferring on them competitive advantages such as Accessories a leading position in the birth sequence, more resources or hormones.Avian mothers create hatching asynchrony within a clutch and at the same time bestow the eggs with dif

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Differentiation-inducing effect of piperitenone oxide, a fragrant ingredient of spearmint (Mentha spicata), but not carvone and menthol, against human colon cancer cells

The n-hexane extract from spearmint (Mentha spicata) leaves was purified via a bioassay-guided fractionation scheme, which was based on the induction of differentiation in a RCM-1 human colon cancer cell line.One of the criteria of a differentiation marker is the formation of ducts determined 3 Piece Table Set visually using phase contrast microsco

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