Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to choose HLA dissimilar reproductive partners. Earlier ...
Evolution
Aug 19, 2020
0
124
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 ...
Evolution
Jun 9, 2020
10
9885
When salmon spawn, the sperm of competing males are in an all-or-nothing race to be the first to reach and fertilise the eggs.
Plants & Animals
Jul 27, 2017
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4
Biologists studying a small, colorful fish in the Mediterranean Sea have discovered a new way in which a female can choose the best father for her offspring.
Plants & Animals
Aug 16, 2016
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234
University of Otago researchers studying chinook salmon have provided the first evidence that "cryptic female choice" (CFC) enhances fertilisation success and embryo survival.
Plants & Animals
Mar 23, 2016
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46
What one of the world's most venomous marine creatures gets up to after dark.
Plants & Animals
Apr 16, 2018
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8
