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More Evidence that Humans Do Appear to Create New Neurons in Old AgeMore Evidence that Humans Do Appear to Create New Neurons in Old Age
More Evidence that Humans Do Appear to Create New Neurons in Old Age
Ashley Yeager | Mar 25, 2019
Despite doubts last year about human adult neurogenesis, a study shows even 80-year-olds develop new cells in the hippocampus, but such growth is diminished in patients with Alzheimer’s disease.
Modern Human Activities Muddle Analyses of Prehistoric Migrations
Modern Human Activities Muddle Analyses of Prehistoric Migrations
Anna Azvolinsky | Mar 22, 2019
Agriculture and other land uses can distort the levels of an earth mineral marker used to map the origins and movements of ancient humans and animals, a new study finds.
Allele Shows Pyrethroid Resistance’s Spread in African Mosquitos
Allele Shows Pyrethroid Resistance’s Spread in African Mosquitos
Carolyn Wilke | Mar 22, 2019
Researchers can now track the expansion of a resistance mechanism that allows the malaria vector Anopholes funestus to detoxify a key insecticide used on bed nets.
Trump Signs Executive Order Tying Grant Money to Free Speech
Trump Signs Executive Order Tying Grant Money to Free Speech
Carolyn Wilke | Mar 22, 2019
It’s unclear how the order, which charges academic institutions to follow existing rules regarding the First Amendment, will be implemented and enforced.
Drop Statistical Significance, Scientists Say
Drop Statistical Significance, Scientists Say
Carolyn Wilke | Mar 21, 2019
In service of an arbitrary threshold, p-values often lead researchers to make poorly supported claims and ignore interesting but insignificant results, scientists argue.
Lack of Diversity in Genetic Datasets is Risky for Treating Disease
Lack of Diversity in Genetic Datasets is Risky for Treating Disease
Ashley Yeager | Mar 21, 2019
Certain populations have been historically underrepresented in genome sequencing studies, but the NIH, private clinics, and 23andMe and other companies are trying to fix that.
Chinese-American Scientist Societies Fear Racial Profiling
Chinese-American Scientist Societies Fear Racial Profiling
Ruth Williams | Mar 21, 2019
Scientists argue that anti-Chinese political rhetoric and policies could harm US research.
A New Role for Platelets: Boosting Neurogenesis After Exercise
A New Role for Platelets: Boosting Neurogenesis After Exercise
Katarina Zimmer | Mar 21, 2019
A mouse study finds that when blood platelets are activated during exercise, they release factors that increase the number of newborn neurons in the hippocampus.
Chemicals on the Skin Could Enable Parkinson’s Detection
Chemicals on the Skin Could Enable Parkinson’s Detection
Shawna Williams | Mar 20, 2019
Researchers teamed up with a woman with a keen sense of smell to identify telling differences between healthy people and those with the neurodegenerative disease.
WHO Panel Calls For a Registry of Gene-Editing Research in Humans
WHO Panel Calls For a Registry of Gene-Editing Research in Humans
Catherine Offord | Mar 20, 2019
The advisors’ recommendations follow news of ethically dubious gene-editing work carried out by He Jiankui late last year.