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Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
Ashley Yeager | Jan 23, 2020
In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.
Study Finds No Association Between Herpes Virus and Alzheimer’s
Study Finds No Association Between Herpes Virus and Alzheimer’s
Katarina Zimmer | Jan 23, 2020
While the findings contradict previous studies that have linked human herpesvirus 6 to the neurodegenerative disease, they do not eliminate the possibility of a relationship.
Opinion: Postdocs as Competent Peer Reviewers
Opinion: Postdocs as Competent Peer Reviewers
Gary McDowell and Rebeccah S. Lijek | Jan 23, 2020
Constructively critiquing the scientific literature should be an essential part of the postdoctoral experience, and early career researchers have shown that they are up to the task.
Australia’s Yarrabubba Asteroid Impact Crater Is Oldest on Earth
Australia’s Yarrabubba Asteroid Impact Crater Is Oldest on Earth
Amy Schleunes | Jan 22, 2020
A new study precisely dates the event to 2.229 billion years ago and suggests that it may have been responsible for ending an ice age.
Ancient Human DNA Provides New Look at African History
Ancient Human DNA Provides New Look at African History
Jef Akst | Jan 22, 2020
Genomic information from four children who lived thousands of years ago in what is now Cameroon could shed light on the spread of the Bantu languages and on the history of present-day African populations.
Scientists Predict Fish Behavior from Real-Time Brain Monitoring
Scientists Predict Fish Behavior from Real-Time Brain Monitoring
Abby Olena | Jan 22, 2020
Researchers could anticipate which way an eight-day-old zebrafish will flick its tail based on brain activity 10 seconds earlier.
Ozone-Depleting Chemicals Led 20th Century Arctic Warming: Study
Ozone-Depleting Chemicals Led 20th Century Arctic Warming: Study
Lisa Winter | Jan 22, 2020
Chlorofluorocarbons and other substances were banned in 1989 under the Montreal Protocol.
Person-to-Person Spread of Novel Coronavirus Confirmed in China
Person-to-Person Spread of Novel Coronavirus Confirmed in China
Shawna Williams | Jan 21, 2020
The number of cases spikes as the World Health Organization plans an emergency meeting on containing the epidemic.
David Hogness, Revolutionary of 20th Century Genetics, Dies
David Hogness, Revolutionary of 20th Century Genetics, Dies
Amy Schleunes | Jan 20, 2020
The Stanford University researcher’s groundbreaking work connected the fields of molecular biology and genetics, paving the way for the founding of genomics.