Sneaky mating may be in female damselfies' interest

During the mating season, male damselflies battle fiercely for control of prime territories containing resources—typically patches of floating leaves used for egg deposition in wetlands—that are key to attracting females. ...

Single molecule puts sperm on track

Sperm start their sprint to the ovum when they detect changes in the environment through a series of calcium channels arranged like racing stripes on their tails. A team of Yale researchers has identified a key molecule that ...

Bridging tumor moats with potent drug delivery particles

Despite herculean efforts, cancer remains a formidable disease, with each malignant subtype responding differently to therapeutics. One hurdle specific to treating solid tumors is a protective layer called an extracellular ...

Biologist looks at butterflies to help solve human infertility

When insects skip the light fandango their romantic foreplay often involves some pretty crazy things like hypnotic dance moves and flashy colors. In some species it ends with a complex ejaculate package that does more than ...

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