Obstetrics & gynaecology

Mothers of twins are not more fertile, just lucky

Are women who have twins more fertile? While previous studies concluded they are, a detailed analysis of more than 100,000 births from pre-industrial Europe by an international team of scientists shows they are not. The results ...

Genetics

Omicron genetics and early transmission patterns characterized

The omicron variant of SARS-CoV-2 diverged from previous SARS-CoV-2 variants as a result of adaptive evolution, in which beneficial mutations are passed on to future generations through natural selection, rather than through ...

Diseases, Conditions, Syndromes

Could SARS-CoV-2 evolve resistance to COVID-19 vaccines?

Similar to bacteria evolving resistance to antibiotics, viruses can evolve resistance to vaccines, and the evolution of SARS-CoV-2 could undermine the effectiveness of vaccines that are currently under development, according ...

Genetics

New genome sequencing sheds light on diversity in Africa

Analysis of the genomes of hundreds of people from across Africa has shed light on ancient migrations and modern susceptibility and resistance to disease, revealing unexpected genetic diversity.

Genetics

Natural selection still at work in humans

Evolution has shaped the human race, with University of Queensland researchers finding signatures of natural selection in the genome that influence traits associated with fertility and heart function.

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