The root system of a tree species is genetically different than the leaves of that individual, potentially modifying scientists’ understanding of evolution.
The Scientist
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Two medical professors contend that the pharmaceutical industry is really suffering from a drive to make only marginal improvements to existing drugs.
Fossils from northern Kenya point to a new human species that lived in Africa nearly 2 million years ago.
Some 85 percent of researchers involved in promoting off-label drug use do not adequately disclose financial conflicts of interest in published articles.
At age 16, Alexandra Sourakov has her first scientific publication, on the foraging behavior of butterflies.
Evolving the ability to run may also have made our ancestors smarter, suggesting that exercise can be healthy for the brain as well as the body.
Two whole genome duplications boosted the complexity of the ancestor of all vertebrates, but also introduced potential for disease.
Genomic analyses reveal that the polar bear evolved between 4 and 5 million years ago, far earlier than previous studies had estimated.
A relatively new pair of sex chromosomes in the fruit fly allows researchers to track their evolution from the beginning.
Researchers breed fruit flies that, after 40 generations of conditioning, have acquired the ability to react to numbers.
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