New calculations solve an old problem with DNA

The normal (B-form) DNA will switch to left-handed DNA when it is physically twisted, or when a lot of salt is added to the solution. Researchers at the University of Luxembourg were able to accurately calculate for the ...

Insecticide resistance caused by recombination of two genes

Larvae of the cotton bollworm (Helicoverpa armigera) are dreaded pests all over the world. They have a very wide host range: About 200 different plant species are known as potential food for the voracious insect. The herbivore ...

Sierra Nevada red foxes are more common than once thought

At least half a dozen Sierra Nevada red foxes, a species once believed to have been nearly wiped out in the 1920s, roam the high country wilderness south of Yosemite, U.S. Forest Service biologists said Thursday.

VTT examined the first bottle of 170-year-old beer

Finnish research center VTT has examined one of five bottles of beer salvaged last summer by divers from the wreck of a ship that sank an estimated 170 years ago in the Aland Islands.

Animals that seem identical may be completely different species

Animals that seem identical may belong to completely different species. This is the conclusion of researchers at the University of Gothenburg, Sweden, who have used DNA analyses to discover that one of our most common segmented ...

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