Human eggs prefer some men's sperm over others, research shows

Human eggs use chemical signals to attract sperm. New research from Stockholm University and Manchester University NHS Foundation Trust shows that eggs use these chemical signals to choose sperm. Different women's eggs attract ...

Trace metals in leatherback turtle eggs may harm consumers

Leatherback turtle (Dermochelys coriacea) eggs laid in Bocas del Toro nesting beaches in the Panamanian Caribbean may be harmful to consumers. According to a study by the Smithsonian Tropical Research Institute (STRI) and ...

Egg-based flu vaccines: Not all they're cracked up to be?

Flu season is underway in the Northern Hemisphere, sickening millions of people and in rare cases, causing hospitalization or death. The best prevention is a flu shot, but it's not unusual for these vaccines to be less effective ...

'Old' sperm produces healthier offspring

Sperm that live for longer before fertilising an egg produce healthier offspring—according to new research from the University of East Anglia and Uppsala University in Sweden.

A possible explanation for how germlines are rejuvenated

(Phys.org)—A pair of researchers affiliated with the University of California and Calico Life Sciences, has discovered a possible explanation regarding how human germlines are rejuvenated. In their paper published in the ...

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