Many people smoke cigarettes only occasionally and, as “social smokers,” they may think they are not endangering their health. But a new study shows that, by some measures, they are harming themselves just as much as a daily smoker. Bernadette Melnyk, dean and professor of nursing at The Ohio State University, explains that “once people start opening packs of cigarettes, whether it’s for daily use or just to socialize at a party, they’re entering the same on-ramp toward serious health problems.”
For two decades, the international community has attempted to stop North Korea from developing its missile program. Daniel Salisbury of the Middlebury Institution of International Studies at Monterey considers the impact of such efforts. Are they a failure?
And it’s been just about 40 years since NASA launched the Voyager spacecrafts, which famously carried messages from Earth for any alien life forms they encountered. So far no ETs have gotten in touch based on the Golden Records and their collection of audio recordings and encoded images. But Penn State astronomer Jason Wright says they’re a success anyway.
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Social smoking is just as bad on your heart as regular smoking, a new study suggests.
California Department of Health Services
Bernadette Melnyk, The Ohio State University
About one in 10 Americans say they sometimes smoke, often in social settings. Many think it's not so bad for them. A new study has some scary findings, when it comes to matters of the heart.
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Environment + Energy
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Maurice Pitesky, University of California, Davis
China has started exporting cooked chicken meat to the United States. Is it safe to eat? An agriculture extension specialist discusses possible concerns about food safety and contamination.
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Richard B. Rood, University of Michigan
Why assembling two teams to debate climate change is all about political spectacle and sowing doubt – and has nothing to do with actual climate science.
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Science + Technology
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Jason Wright, Pennsylvania State University
Humanity is the real target for these recordings which continue to inspire us to better understand ourselves and our place in the cosmos.
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Megan Squire, Elon University
Governments' efforts to weaken communications security undermine and distract from the need to protect the real weak points in our online communications.
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Trending on site
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Marie Hicks, University of Wisconsin-Madison
Five years after a major sexism scandal, Silicon Valley's misogynist culture remains strong and pervasive – and history reveals the stakes could be as high as the entire US tech sector.
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Robin Feldman, University of California, Hastings
The number of people dying from opioid overdose continues to rise, in part because of cheap street drugs. Yet the price of a drug used to treat addiction is out of reach for many.
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Gail Heyman, University of California, San Diego
In a new study, psychologists observed young children in real time figuring out how not to tell the truth.
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