Metabolic homeostasis operates differently in men and women. This sex asymmetry is the result of evolutionary adaptations that enable women to resist loss of energy stores and protein mass while ...

Pentaploid Rosa canina’s flower reveals its unique sexual reproduction: asymmetric meiosis creates haploid pollen (anthers) transmitting only bivalent-forming chromosomes, while ovaries inherit both ...

Direct human-caused mortality accounts for about half of all large mammal mortality in North America. For social species like gray wolves (Canis lupus), the death of pack members can disrupt pack ...