06/25/2021
Dr. Bortrum
Remembering Dr. Bortrum
Allen F. Bortrum, RIP
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12/30/2020
Dr. Bortrum
Here and Way Out There
Bortrum returns. with a bunch of space stuff.
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08/14/2020
Dr. Bortrum
Three Mars Missions and a Revisited Catastrophe
Three nations on the way to Mars. Ammonium nitrate strikes again.
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07/03/2020
Dr. Bortrum
Emerging from Isolation
Bortrum gets a haircut. Mental challenges.
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05/01/2020
Dr. Bortrum
Here and There
A virus multiplies. An asteroid passes us by. Ice melts. Black holes in orbit.
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03/27/2020
Dr. Bortrum
The Virus and Melting Ice
NASA looks at the ground and finds melting ice. Corona comes to our area in New Jersey.
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02/14/2020
Dr. Bortrum
Space Missions and Other Stuff
Voyager problem fixed, the "snowman" may be a clue to how planets form and one of the Great Observatories is retired,
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01/09/2020
Dr. Bortrum
Potpourri
From glacial lakes to buying carbon offsets.
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12/02/2019
Dr. Bortrum
Workings of the Brain
MRI studies of the brain yield information on how words and thoughts are stored. These studies may help prevent suicides
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10/25/2019
Dr. Bortrum
Farewells and the Nobel Prize in Chemistry
The passings of my wife and others are noted along with connections to winners of the Nobel Prize in Chemistry for the lithium-ion battery.
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09/04/2019
Dr. Bortrum
Assorted Stuff
You can get shingles four times. Black widow spiders eat males before sex too. Catch Saturn's rings before they disappear. A bit of Woodstock.
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08/06/2019
Dr. Bortrum
Close Call with an Asteroid
A "city killer" sails by too close for comfort. Bortrum learns about his past from his father.
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07/04/2019
Dr. Bortrum
Mars Shaking and Puffing
A Marsquake and a puff of methane detected. Boiling water on Earth.
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06/07/2019
Dr. Bortrum
Chapter 104 Highs and Lows
Life and death on Everest. Denisovans were living high long long ago.
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05/01/2019
Dr. Bortrum
Wandering Genes and "Seeing" a Black Hole
Hundreds of workers publish papers on tiny genes and on a monstrous black hole, "Seeing" the invisible.
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