New study sheds light on how X and Y chromosomes interact

Researchers at Lund University in Sweden have investigated how the X and Y chromosomes evolve and adapt to each other within a population. The results show that breaking up coevolved sets of sex chromosomes could lead to ...

Scientists call for biodiversity barometer

For the first time scientists have put a figure on how much it would cost to learn about the conservation status of millions of species, some of which have yet to be identified. The price tag is US$60 million, according to ...

How invading jumping genes are thwarted

Since Carnegie Institution's Barbara McClintock received her Nobel Prize on her discovery of jumping genes in 1983, we have learned that almost half of our DNA is made up of jumping genes—called transposons. Given their ...

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