Posts by Dr. Allen F. Bortrum

A farewell to a remarkable woman

Franklin''s kite flying is 250 years old

Simple physics explains poor free throw performance in the NBA

The Yarkovsky effect and nudging an asteroid off course

The dinosaur extinction and lessons for our own survival

Honeybee communication skills altered by clever tunnel builders

Has a new kind of star been found made of quarks? Possibly.

A potpourri of strange behaviors plus NO to the rescue

Medical stents and underwire bras incorporate shape-memory alloys

Flipping horseshoe crabs and the mystery of black water