2,464 results
2,464 results for: mutations
- Life
Duplication 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.
- Health & Medicine
Sequencing 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.
- Health & Medicine
Possible genetic flag for brain cancer
Mutations in IDH genes show up in many brain cancers, but the genes’ role remains unclear.
- Agriculture
Gut bacteria ally with Bt
A new study finds that a particular microbe makes caterpillars susceptible to the insecticide.
- Health & Medicine
Early 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.
- Humans
Science’s next generation wins accolades
Star students receive more than $530,000 in scholarships and prizes in the Intel Science Talent Search.
- Health & Medicine
How herpes re-rears its ugly head
Researchers identify a key player in the reactivation of herpes simplex virus type 1.
- Anthropology
African 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.
- Health & Medicine
Childhood leukemia worsened by genetic mutations
Mutations in JAK genes make childhood leukemia more dangerous and may offer a target for drug manufacturers.
- Health & Medicine
World 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.
- Life
Misread epigenetic signals play role in leukemia
A genetic mistake causes misinterpretation of epigenetic marks, leading to cancer.
- Archaeology
Skeleton 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.
