08/23/2006
Dr. Bortrum
Praying, Preying and Popping
Praying mantis eats bird; an ant records the world''s fastest bite
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08/16/2006
Dr. Bortrum
Follow-up Potpourri
Bird locomotion, nefarious chess doings and irradiating moths
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08/09/2006
Dr. Bortrum
Nomadic Killers
Devastating behavior of army ants on an island in the Panama Canal
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08/02/2006
Dr. Bortrum
Corny Material
A plastic packaging material derived from corn - good news and bad
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07/26/2006
Dr. Bortrum
Playing Chess
Expert chess players aren''t born; it takes hard work and practice.
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07/19/2006
Dr. Bortrum
Sweet Lou - Who Will Replace Him?
Remembering Lou, a friend; declining populations in developed nations, but not in the U.S.
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07/12/2006
Dr. Bortrum
Counting Steps and Crop Yields
Do ants count steps? Follow-up on effects of carbon dioxide on plant growth
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07/05/2006
Dr. Bortrum
A Holiday Mini-Column
Poison ivy likes CO2 - what about corn? To be continued.
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06/28/2006
Dr. Bortrum
Danger! Flourishing Vines
Carbon dioxide promotes global warming and poison ivy
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06/21/2006
Dr. Bortrum
Head-on Encounters
Head-on collisions take us back to less than a second after the Big Bang
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06/07/2006
Dr. Bortrum
Metal, Not Hydrogen?
Is the future a metal economy, not the much touted hydrogen economy?
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05/31/2006
Dr. Bortrum
Transportation Matters
Hybrid vehicles coming on strong
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05/24/2006
Dr. Bortrum
Red Apes and Chestnuts
Revisiting the American chestnut and animal intelligence
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05/17/2006
Dr. Bortrum
Weighing Small - Scanning Large
Can we weigh a hydrogen atom? Can we condense the world''s creative output into an ultimate library?
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05/10/2006
Dr. Bortrum
Planetary Intrigue and Semantics
Astronomer uses small scope to find new "planets"?
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