Genetics

A single DNA tweak leads to blond hair

A single-letter change in the genetic code is enough to generate blond hair in humans, in dramatic contrast to our dark-haired ancestors. A new analysis by Howard Hughes Medical Institute (HHMI) scientists has pinpointed ...

Genetics

Handful of genetic changes led to huge changes to human brain

Changes to just three genetic letters among billions led to evolution and development of the mammalian motor sensory network, and laid the groundwork for the defining characteristics of the human brain, Yale University researchers ...

Genetics

Genomic architecture presages genomic instability: study

When cells divide normally, DNA gets copied perfectly and distributed among the daughter cells with an even hand. Occasionally though, DNA breaks during division and is rearranged, resulting in duplications or deletions of ...

Oncology & Cancer

Tumors hide from the immune system with help from this protein

Cancer drugs called immune checkpoint inhibitors boost the immune system's ability to find and destroy tumor cells, but they don't work for most patients. Researchers at the Broad Institute of MIT and Harvard, Massachusetts ...

Health

Fourth generation of e-cigarettes is not harmless

A University of California, Riverside, study analyzing fourth-generation electronic cigarette, or EC, pod atomizer design features has found the pod atomizers are similar to those of previous generations and contain elements ...

Diseases, Conditions, Syndromes

Large real world study confirms Pfizer COVID vaccine 94% effective

The Pfizer COVID-19 vaccine has proven 94 percent effective in a study involving 1.2 million people in Israel, the first peer-reviewed real world research confirming the power of mass immunization campaigns to bring the pandemic ...

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