11/21/2003
Dr. Bortrum
Past Presidents
Remembrances of Franklin Roosevelt and Kennedy and their deaths
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11/13/2003
Dr. Bortrum
Sleuthing Old Stuff
Old trees, the Iceman and the pterosaur give up secrets of life in olden times
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11/06/2003
Dr. Bortrum
Big Rocks and Green Stuff
Hermes is found and so is olivine, on Mars
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10/30/2003
Dr. Bortrum
False Advertising in the Plant World
How orchids and viruses manipulate wasp behaviors
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10/23/2003
Dr. Bortrum
Underground Architecture
Pouring plaster into ant nests; also the benefits of big cholesterol particles
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10/16/2003
Dr. Bortrum
Living Long
Will someone living today be around in the year 2150? Some think so.
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10/09/2003
Dr. Bortrum
No-spin Doesn't Work
Hydrogen nucleus has spin - that's good for MRI exams.
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10/02/2003
Dr. Bortrum
Surgical Surprises
Bortrum''s lost a rib and part of a kidney
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09/25/2003
Dr. Bortrum
Personal Images
A look at the kidney and the consequences of medical imaging of it
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09/18/2003
Dr. Bortrum
Strikables
History and chemistry of the match
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09/11/2003
Dr. Bortrum
Pinholes and Perchlorates
Water problems range from pinhole leaks in copper plumbing to perchlorate contamination of the Colorado River
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09/04/2003
Dr. Bortrum
The Earth and Mr. Midgley
Thomas Midgley''s inventions for better and worse; Clair Patterson''s crusade against lead
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08/28/2003
Dr. Bortrum
Troubles in the Hive
Russian bees come to the rescue; lawbreaking workers lay eggs
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08/21/2003
Dr. Bortrum
Patriotic Ceramics
Ceramics replacing steel in armor; science of high-energy impacts
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08/14/2003
Dr. Bortrum
Weak Walls Make Good Ancestors
Single cells
Two billion years of evolution lead to cells that compose plants and animals
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