Search Results for: mutations
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2,464 results for: mutations
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LifeDuplication in genomes may separate humans from apes
A sudden peak in duplication of chunks of DNA in the common ancestor of humans, chimps and gorillas led to genetic flexibility, which created differences among the species.
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Health & MedicineSequencing virus genome to cure the common cold
The genomes of all known common cold viruses have been sequenced, providing new information on how the different strains are related, how they replicate and how to predict their virulence.
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Health & MedicinePossible genetic flag for brain cancer
Mutations in IDH genes show up in many brain cancers, but the genes’ role remains unclear.
By Nathan Seppa -
AgricultureGut bacteria ally with Bt
A new study finds that a particular microbe makes caterpillars susceptible to the insecticide.
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Health & MedicineEarly intellectual gap found for kids of older fathers
A reanalysis of data from more than 33,000 U.S. children finds that those with older fathers fared somewhat poorer on intelligence tests than those with younger fathers, regardless of mothers’ ages.
By Bruce Bower -
HumansScience’s next generation wins accolades
Star students receive more than $530,000 in scholarships and prizes in the Intel Science Talent Search.
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Health & MedicineHow herpes re-rears its ugly head
Researchers identify a key player in the reactivation of herpes simplex virus type 1.
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AnthropologyAfrican pygmies may be older than thought
A new DNA analysis indicates that pygmy hunter-gatherers and farming groups in Africa diverged from a common ancestral population around 60,000 years ago.
By Bruce Bower -
Health & MedicineChildhood leukemia worsened by genetic mutations
Mutations in JAK genes make childhood leukemia more dangerous and may offer a target for drug manufacturers.
By Nathan Seppa -
Health & MedicineWorld Health Organization raises swine flu alert level
The World Health Organization announced April 29 that is has raised the alert level for swine flu from Phase 4 to Phase 5, which suggests that a pandemic is imminent.
By Nathan Seppa -
LifeMisread epigenetic signals play role in leukemia
A genetic mistake causes misinterpretation of epigenetic marks, leading to cancer.
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ArchaeologySkeleton of Western man found in ancient Mongolian tomb
A genetic analysis of a skeleton from an ancient Asian tomb illuminates the spread of Indo-Europeans.
By Bruce Bower