Medical research

Infertility mechanism in males identified

Large doses of a sperm protein that is ineffective in infertile males can be injected directly into eggs to kick-start fertilization, giving couples hope of conceiving.

Immunology

Five myths about food allergies, debunked

Once upon a time, kids could bring candy to school for Halloween, and the market for trading lunchbox goodies was hot. These days, classrooms are peanut-free zones, and many schools ban treats altogether.

Obstetrics & gynaecology

Like babies, eggs send signals when 'hungry'

In humans and other mammals, the female reproductive cells - the eggs or oocytes - need nourishment in order to grow and remain fertile. It is known that the egg gets its food from little arm-like feeding tubes (called filopodia) ...

Diseases, Conditions, Syndromes

Helmintex assay detects low intensity schistosomiasis infections

Individuals who release low numbers of schistosome eggs in their feces may not be detected by classical methods to detect schistosomiasis. Instead, the Helmintex method— which uses a magnetic field to isolate eggs—is ...

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