Humans
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GeneticsExplainer: What are genes?
Genes are DNA regions that tell cells how to build proteins. But we have many more proteins than genes. And much of our DNA controls when genes turn on and off.
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Health & MedicineLater school starts linked to better teen grades
A Seattle study confirms that later high school start times improve teens’ sleep and grades. Fitbit-like activity trackers provided the evidence.
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PsychologySchool bullying has risen in areas that supported Trump
Bullying rose in areas that favored Republican Donald Trump in the 2016 election for U.S. president. The new findings come from surveys of Virginia middle school students.
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Health & MedicineSnot Science: Stopping the sneeze
In my previous study, I compared thick and thin snot. Now, I’ll find out if a tissue makes a difference in how far a sneeze spreads.
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Health & MedicineScientists Say: Metabolism
Metabolism is all the chemical activities that support life in a cell, an organ and a whole organism’s body.
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FossilsA skeleton named ‘Little Foot’ causes big debate
New studies suggest a fossil hominid called Little Foot belongs to the species Australopithecus prometheus. Other scientists question whether such a species exists.
By Bruce Bower -
ArchaeologyRising seas threaten thousands of world cultural sites
Sea level rise threatens many thousands of cultural and archeological sites around the world.
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Health & MedicineGoose bumps may have hairy benefits
The nerves and muscles needed to set your hair on end and produce goose bumps also play a role in hair growth, new rodent data show. This suggests goose bumps might be useful in promoting hair growth.
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Health & MedicineAnalyze This: Most teen girls don’t meet guidelines for daily exercise
Girls trail boys in the amount of exercise they tend to get each day regardless of race.
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BrainMarijuana use may affect decision-making areas in teen brains
Marijuana use during adolescence may damage decision-making areas of the brain, according to a new study in rats.
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EnvironmentHere’s the science you loved in 2018
When our readers read about science, they want to read about research that hits close to home, like smartphones, chocolate, vaping and more.
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EnvironmentICYMI: 2018’s top science offerings
From gene-edited babies to firenados and lavanados, this year offered both stunning news and curiosities in the world of science and research.
By Janet Raloff