Immune system study could help conserve endangered species

(Phys.org) —A study by University of Georgia ecologists has found that diversity in mammal immune system genes may have more to do with the opportunity to choose a mate than with exposure to parasites.

Study reveals strategy behind spiders' web etiquette

(Phys.org) —A species of spider that, unusually, lives in a colony but hunts alone at night is the subject of a new study by an international team of scientists including University of Sussex biologists.

Cultural products have evolutionary roots

From Brad Pitt fighting zombies to Superman falling for Lois Lane, summer blockbuster season is upon us. But while Hollywood keeps trotting out new movies for the masses, plotlines barely change.

Researchers find epigenetic factor in monogamy for voles

(Phys.org) —A team of researchers at Florida State University has found an epigenetic factor involved in voles' lifelong pair bonding. In their paper published in the journal Nature Neuroscience, the researchers describe ...

Fish prone to melanoma get DNA decoded

Scientists at Washington University School of Medicine in St. Louis and elsewhere have decoded the genome of the platyfish, a cousin of the guppy and a popular choice for home aquariums. Among scientists, the fish are meticulously ...

Playfulness may help adults attract mates, study finds

(Phys.org) -- Why do adults continue to play throughout their lives while most other mature mammals cease such behavior? According to researchers at Penn State, playfulness may serve an evolutionary role in human mating preferences ...

High-maintenance mallards

The shimmery feathers of a male mallard might have a showy quality that appeals to prospective mates, but the water resistance and self-cleaning capabilities of iridescent feathers pale in comparison to those of noniridescent ...

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