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Stories by Karen Hopkin

A Litmus Test for Bad Breath

Researchers engineered a portable device that detects even the tiniest trace of hydrogen sulfide—one of the primary offenders in bad breath. Karen Hopkin reports. 

16 hours ago — Karen Hopkin

U.S. Flu Spread Counts On Southern Cold Snaps

A multifactorial analysis finds that the ignition of a flu epidemic stems from a blast of colder weather striking an otherwise warm, humid, urban environment, and driving people indoors into close quarters.  

March 21, 2018 — Karen Hopkin

Some Lichen Fungi Let Genes Go Bye

A study of 22 different types of lichens revealed 10 included fungi that had lost a gene for energy production, making them completely dependent on their algal partner.  

March 1, 2018 — Karen Hopkin

Mosquitoes Learn the Smell of Danger

The bloodsuckers lose their appetite for attractive scents when they associate those aromas with a likelihood of being swatted. Karen Hopkin reports.

February 22, 2018 — Karen Hopkin
Homebodies Economize on Energy Use

Homebodies Economize on Energy Use

Today’s work-from-home, on-demand culture means more days at home—and translates into greater energy savings, too. Karen Hopkin reports.

February 6, 2018 — Karen Hopkin

Pain and Weather Fail to Connect

A big data analysis involving more than 1.5 million patients could find no relationship between weather and complaints to doctors about joint or back pain.  

December 23, 2017 — Karen Hopkin

Ancient Women Had Awesome Arms

For thousands of years, women in agricultural societies seem to have had arms stronger than members of modern rowing teams.  

December 9, 2017 — Karen Hopkin

Yeti Claims Don't Bear Up

Analysis of alleged yeti samples found them to be from less fantastic beasts, such as bears, but also shed light on the evolution of those local bear populations.

December 3, 2017 — Karen Hopkin
Stories by Karen Hopkin

Beyond XX and XY

Biology. Identity. Equality.