02/20/2008
Dr. Bortrum
Bend Light - Detect Solar System
"Scaled down" solar system detected
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02/12/2008
Dr. Bortrum
Mobility
Neandertals and worms travel while walkers may charge cell phones
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02/06/2008
Dr. Bortrum
No Column - Caregiving
No time to write
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01/30/2008
Dr. Bortrum
Black Stuff
Man''s blackest material; huge black hole and companion
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01/23/2008
Dr. Bortrum
Pros and Cons of Fluoride
Fluoridation - good for dental health but too much has its downsides
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01/16/2008
Dr. Bortrum
A Heart and Antarctic Melting
Stripping and remaking a heart; alarming Antarctic melting
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01/09/2008
Dr. Bortrum
Genetic Breakthroughs
Why are you you and me me? Decoding DNA and making skin cells stem cells.
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12/23/2007
Dr. Bortrum
On Vacation/Transistor Anniversary
Reprise of an earlier column on Moore''s Law and the field effect transistor
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12/12/2007
Dr. Bortrum
Travelers - Animal and Cosmic
Updates on TB, cosmic rays and animal navigation
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12/05/2007
Dr. Bortrum
Flying South
Young and old songbirds from the west fly in different directions when captured and released from New Jersey
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11/28/2007
Dr. Bortrum
Seeing in the Dark
Start-up wins security challenge prize for night vision work
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11/21/2007
Dr. Bortrum
Three Buckets Win a Million Bucks
Abul Hussam and Bangladesh benefit greatly from three-bucket filter for removing arsenic from groundwater
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11/14/2007
Dr. Bortrum
Updates on a Vitamin and a Solar System
A fifth planet found orbiting 55 Cancri; positive and negative studies on vitamin D
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11/07/2007
Dr. Bortrum
Don't be Sad, Turn on the Light
A Bell Labs colleague fights seasonal affective disorder (SAD)
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10/31/2007
Dr. Bortrum
Don't Ignore the Sun
Not enough (or too much) sunshine can have serious health-related consequences
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