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Stories by Karen Hopkin

2-Face Moon Tells How It Got That Way

A new analysis says that the asymmetry between the two faces of the moon is due to crust thickness differences that resulted from variable cooling rates after the molten formation of our companion. Karen Hopkin reports

 

June 13, 2014 — Karen Hopkin

Polar Bear Rapid Evolution Lets Them Be Fat Fit

Since diverging from a common ancestor with brown bears less than half a million years ago, polar bears have accumulated genetic changes that allow them to eat a superhigh-fat diet without suffering cardiovascular consequences. Karen Hopkin reports

 

May 22, 2014 — Karen Hopkin

Expert Violinists Bad at Picking Strads

Ten violin soloists who played different instruments blindfolded then picked a Stradivarius over a modern instrument as being the superior violin at rates no better than chance. Karen Hopkin reports

April 28, 2014 — Karen Hopkin

Help ID Moon Craters from Your Couch

Citizen scientists have helped professional astronomers locate more than 500 million lunar craters by using an app called MoonMappers. Karen Hopkin reports 

 

April 22, 2014 — Karen Hopkin

Cereal Box Characters Look Down at Kids

Tony the Tiger and his kid-friendly cohort tend to gaze downward whereas the Quaker Oats guy stares straight ahead at thee. Karen Hopkin reports

 

April 15, 2014 — Karen Hopkin

Saving Troubled Knees

Silk scaffolds, grafts from pigs and green tea extracts might someday help keep injured and vulnerable joints active

December 6, 2007 — Karen Hopkin

The Risks on the Table

More than half the foods in U.S. supermarkets contain genetically modified ingredients. Have they been proved safe for human consumption?

December 1, 2006 — Karen Hopkin

Making Methuselah

Immortality may not be in the Cards, but Worms, Flies and Pigeons may be able to Teach us a Thing or Two About Living Better Longer

June 1, 2004 — Karen Hopkin

Egg Beaters

Flu vaccine makers look beyond the chicken egg

February 23, 2004 — Karen Hopkin

The Risks on the Table

More than half the foods in U.S. supermarkets contain genetically modified ingredients. Have they been proved safe for human consumption?

April 17, 2001 — Karen Hopkin

Clock Setting

Lighting up your knees may reset your circadian rhythms

April 1, 1998 — Karen Hopkin