Butterflies exhibit striking differences between males and females, a phenomenon called sexual dimorphism. These variations, ...
Researchers who analyzed data from zoo animals found that it is not only genetics, but mating pressures that may determine ...
Among mammals, females generally live longer. The recent comparative study examined 528 mammal species in zoos and found that ...
In arid parts of central Australia, temperature plays a big part in determining whether central bearded dragon embryos emerge ...
Women usually live longer than men, and animals show the same pattern. Evolution, genes, and parenting explain why.
Researchers have traced how sperm rapidly shift from a dormant to an energy-charged state during their journey to fertilize ...
The Canadian Press on MSN
Southern resident killer whales show signs of slow decline toward disappearance
The latest survey of endangered southern resident killer whales confirms their plateau and gradual slide toward disappearance ...
A massive male great white shark, Contender, has been tracked to the Gulf of St. Lawrence. This shark, measuring nearly 14 feet and weighing over 1,600 pounds, is the largest male ever tagged in the ...
Some suggest education should promote economic productivity and national competitiveness. Others suggest that it should ...
Scientists in Thailand have identified a new burrowing spider species, Damarchus inazuma, featuring a rare bilateral ...
From the importance of female pleasure to why you might need ribbons in the bedroom, historian Ruth Goodman explores the ...
Men with a low sperm count can boost their chances of fathering a child with supplements like zinc and vitamins D, C, and E.
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