The time and date of the origin of insects and their pattern of evolution and survival over millions of years is revealed in a new study, published today in Science magazine. Insect relationships have…
Academic rigour, journalistic flair
Articles on Evolutionary genetics
Displaying 21 - 34 of 34 articles
A complete tree of life – showing how and when organisms are related to each other – has long been desired by biologists, but obscured by the vagaries of the fossil record. Now, next-generation gene sequencing…
The claim that homosexual men share a “gay gene” created a furore in the 1990s. But new research two decades on supports this claim – and adds another candidate gene. To an evolutionary geneticist, the…
Ratites – a group of flightless birds including the emu, ostrich and extinct moa – were long believed to have evolved from a single flightless ancestor, but research published today in Molecular Biology…
Human skin is a garden of microbes which is home to about 1,000 bacterial species. Most are benign but some invade the skin and cause illness – and of these, antibiotic resistant bacteria are particularly…
Bottlenose dolphins who use sponges as tools experience changes to their genetic make-up as a result, research shows. Researchers…
It’s not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species…
A month ago, I returned to Australia from a trip to Burma. After four weeks in the country, I’d acclimatised to the culture, cuisine and people. My conditioning was so complete that on my return, I was…
Placental mammals like elephants, bats and humans evolved from small, insect-eating mammals, a study led by Stony Brook University…
In the late Devonian period, roughly 365 million years ago, fish-like creatures started venturing from shallow waters onto land. Among the various adaptations associated with the switch to land life was…
Academics at the University of Alaska have discovered evidence for genetic change in pink salmon populations as a response…
Using a process called paleo-experimental evolution, a 500-million-year-old gene from bacteria has been resurrected and inserted…
Changes to just three genetic “letters” among billions is said to have contributed to the evolution and development of mammalian…
Despite three decades of research, an HIV vaccine remains elusive. The main reason for this is the virus’s uncanny ability to evolve resistance to immune control, so understanding how the virus adapts…
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Jenny Graves is a Friend of The Conversation.
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