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Sensor detects whiff of bad breath

Researchers developed a sensor that can detect halitosis with high sensitivity and portability, providing doctors with a convenient test for diagnosing the condition. The sensor uses a color-changing chemical reaction to detect traces of hydrogen sulfide gas in breath samples.

SourceAmerican Chemical Society·JournalAnalytical Chemistry·DateJun 6, 2018

Reflecting on possessions can curb people's impulse buying

A study by Rice University found that reflecting on personal possessions can reduce impulse buying by lowering willingness to pay for new products. The researchers discovered that people who reflected on using their possessions recently were less likely to buy impulsively and expressed a lower willingness to pay for new items.

SourceRice University·JournalJournal of Public Policy & Marketing·DateMay 7, 2018

Future tech leaders...start your engines!

Lehigh University, TE Connectivity, and Broughal Middle School collaborate to promote STEM education through a manufacturing course and annual expo. The program benefits students from both institutions, providing hands-on experience with engineering techniques and industry partnerships.

Weather associated with sentiments expressed on social media

Researchers found temperature, precipitation, humidity, and cloud cover associated with positive or negative expressed sentiments. Positive expressions increased up to 20 degrees Celsius before declining over 30 degrees Celsius, while high humidity and cloud cover were linked to negative expressions.

SourcePLOS·JournalPLOS ONE·DateApr 25, 2018

Study examines denigration when people call a place a 's---hole'

Researchers traced Twitter tweets using the word 'shithole' to identify who engages in stigmatizing discourse and how places are stereotyped. The study found that men and women experience living in a place differently, with 38% of tweets maligning their own hometown.

SourceWiley·JournalTransactions of the Institute of British Geographers·DateApr 25, 2018

Belief in fake causes of cancer is rife

A survey found that over 40% of people in England believe stress, food additives, and electromagnetic frequencies cause cancer despite a lack of scientific evidence. Those with better knowledge of proven cancer causes were more likely to make healthier lifestyle choices.

SourceCancer Research UK·JournalEuropean Journal of Cancer·DateApr 25, 2018

Online ads help pregnant smokers quit

A new study found that commercial online advertising can engage large numbers of pregnant smokers earlier in their pregnancies, with an overall uptake rate of 3.4% among those who clicked on adverts. The ads were more effective than free-of-charge adverts on health websites and yielded a high user engagement rate.

SourceUniversity of East Anglia·JournalJournal of Medical Internet Research·DateApr 19, 2018