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Stories by Jennifer Frazer

Nematode Roundworms Own This Place

The next time you find yourself becoming mosquito chow, remember this video: This is Strelkovimermis spiculatis -- a parasitic nematode, or roundworm -- casually escaping from an unlucky, soon-to-be-expired mosquito larva...

February 9, 2013 — Jennifer Frazer

Mosses With a Real Inferiority Complex

Mosses, which probably already have an inferiority complex, must feel especially inferior in Sequoia National Park. When you stand in the shadows of giants, how will you ever get noticed?If you are lucky, someone like Lena Coleman will come to your rescue.You may have recently read David Quammen's wonderful profile of The President, the second-largest tree on Earth and a resident of Sequoia National Park...

February 8, 2013 — Jennifer Frazer

Darwin's Neon Golf Balls

The beech orange, likely Cyttaria darwinii. These were sprouting near Ushuala in southern Argentina. Image courtesy Bruce Muller; used with permission.

January 15, 2013 — Jennifer Frazer

Archaea Are More Wonderful Than You Know

Thermococcus gammatolerans -- a flagellate archaeon that thrives in hot, oxygen-starved waters. Note the tuft of flagella. This microbe lives in water hotter than about 160F.

January 12, 2013 — Jennifer Frazer

The Dark Bacillus Crystal

Toxic "parasporal" crystals of Bacillus thuringiensis. Jim Buckman/ P.R. Johnston. Public domain. In this photograph are elegant, microscopic agents of death.

December 20, 2012 — Jennifer Frazer

Extinction by Design: Guinea Worm

Blogger's note: I am away for the next several weeks. In the meantime, I'm bringing you some classic Artful Amoeba posts. This one was originally posted on January 18, 2010.

September 30, 2012 — Jennifer Frazer

Extinction by Design: Rinderpest

Blogger's note: I am going to be out of blog contact for the next several weeks as I get hitched (yay!), honeymoon (double yay!), and move (goodbye Colorado!

September 27, 2012 — Jennifer Frazer

Deadly and Delicious Amanitas Can No Longer Decompose

The iconic Amanita muscaria. You may have seen some smurfs living in one of these. Public domain; click image for link. Amanita mushrooms -- like all creatures -- rot, but most of them can't rot other things.The fact that they don't rot other things is not news to biologists, who have long known that many, if not most, fungi have become professional partners with trees, plants, or algae.The fact that they can't rot other things -- as reported in July in PLoS ONE -- is news, and provides a clue to how symbiotic partnerships can withstand the temptations of leaving and the sometimes dissonant interests of their symbiotic partners...

September 21, 2012 — Jennifer Frazer
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