208 million Americans are classified as obese or overweight
208 million Americans are classified as obese or overweight, according to a new study synthesizing 132 data sources Overweight and obesity rates are rising in all...
‘Collective mind’ bridges societal divides
Paying attention to the same thing strengthens bonds between observers. Carlos David Gomez/Wikimedia Commons, CC BY-SA Garriy Shteynberg, University of Tennessee ‘Collective mind’ bridges societal divides...
Alcohol and drugs rewire your brain by changing how your genes work
Alcohol and other drugs can overpower the reward pathways of the brain. Simona Dumitru/Moment via Getty Images Karla Kaun, Brown University Alcohol and drugs rewire your...
Keeping a streak alive
Neither rain, nor snow, nor sleet, nor hail shall keep a streaker from their self-appointed activity. janiecbros/E+ via Getty Images Danny Weathers, Clemson University Keeping a...
Your mental dictionary is part of what makes you unique − here’s how your brain stores and retrieves words
Your brain processes letters, words, sounds, semantics and grammar at breakneck speed. StudioM1/iStock via Getty Images Plus Nichol Castro, University at Buffalo Your mental dictionary is...
Friendship research is getting an update – and that’s key for dealing with the loneliness epidemic
Despite stereotypes to the contrary, men can prefer close, one-on-one friendships. Westend61 via Getty Images Jessica D. Ayers, Boise State University Friendship research is getting an...
What is an attosecond? A physical chemist explains the tiny time scale behind Nobel Prize-winning research
Work in attosecond physics has led to a better understanding of how electrons move around. Oselote/iStock via Getty Images Aaron W. Harrison, Austin College What is...
Your unique body odor could identify who you are and provide insights into your health – all from the touch of a hand
The scent emitted from your hands could offer clues about who you are. Siro Rodenas Cortes/Moment via Getty Images Chantrell Frazier, Framingham State University; Kenneth G....
Many people think cannabis smoke is harmless − a physician explains how that belief can put people at risk
Cannabis smoke shares many of the same toxins and carcinogens as tobacco smoke. Tunatura/iStock via Getty Images Plus Beth Cohen, University of California, San Francisco Though...
First contact with aliens could end in colonization and genocide if we don’t learn from history
SETI has been listening for markers that may indicate alien life – but is doing so ethical? Donald Giannati via Unsplash David Delgado Shorter, University of...
Alcohol use is widely accepted in the US, but even moderate consumption is associated with many harmful effects
Research increasingly shows that the dangers of alcohol have been downplayed and its benefits exaggerated. Nes/E+ via Getty Images Christina Mair, University of Pittsburgh Alcohol use...
The 5,000-year history of writer’s block
The romantic image of the writer doesn’t do justice to the tedious reality of churning out words, one after another. fcscafeine/iStock via Getty Images Joyce Kinkead,...
9 Groundbreaking Discoveries About Sleep
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Why we remember more by reading
Why we remember more by reading – especially print – than from audio or video When mental focus and reflection are called for, it’s time to...
Raise a Healthy Eater at Every Stage of Childhood
Raise a Healthy Eater at Every Stage of Childhood Daily food choices can have a profound impact on overall health and well-being. Not only do healthy...