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Stories by Karen Hopkin

Animals Can Be Given False Memories

Two studies, one with bees and one with mice, show that the brain can be manipulated into having a memory of an occurrence that did not in reality happen. Karen Hopkin reports  

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March 9, 2015 — Karen Hopkin

Preindustrial Pollution Pestered Peru

Ice cores show a sudden rise in heavy metal air pollution in South America 240 years before the industrial revolution, probably due to metallurgy and mining. Karen Hopkin reports

February 11, 2015 — Karen Hopkin

Newton Figured Out How Tree Sap Rises

Buried in one of Isaac Newton's college notebooks is a page on which he fairly accurately theorizes on the process of transpiration in plants, two centuries before the concept was elucidated...

February 9, 2015 — Karen Hopkin

High Price Tag on Meds May Boost Healing

Parkinson’s patients derived more benefits from a salt solution they were told was an expensive drug than from the same solution when it was described as being cheap medication. Karen Hopkin reports...

January 31, 2015 — Karen Hopkin

Super Bowl Team Cities See More Flu Deaths

Regions that send a team to the Super Bowl saw on average an 18 percent increase in flu deaths among those over 65, probably because of increased transmission due to gatherings of people at parties during the height of the flu season...

January 30, 2015 — Karen Hopkin

Inclusion Illusion Lessens Racial Bias

Implicit bias against another race lessened after volunteers experienced themselves via virtual reality as a member of that race. Karen Hopkin reports

 

December 20, 2014 — Karen Hopkin

Dumpster Diving Provides Drinking Data

Researchers estimated alcohol consumption at a senior center by putting out recycling bins and counting the bottle contents. Karen Hopkin reports

 

December 9, 2014 — Karen Hopkin

To Walk, You Have to Fall in Step

Motion-capture technology reveals that the body falls forward and sideways as we walk, and the feet come down to restore balance. Karen Hopkin reports

October 9, 2014 — Karen Hopkin

Reindeer Spit Smacks Down Plant Toxins

Compounds in reindeer and moose saliva interfere with the production of toxins in plants that ordinarily stop animals from dining on the vegetation. Karen Hopkin reports

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October 3, 2014 — Karen Hopkin
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