Chronic infection with the parasite Toxoplasma gondii can make mice lose their innate, hard-wired fear of cats. This loss of their innate fear may persist after the parasite is no longer detectable in their brains, suggesting ...
Plants & Animals
Sep 18, 2013
2
0
The sun has just set on a quiet mudflat in Australia's Northern Territory; it'll set again in another 19 hours. A young moon looms large over the desolate landscape. No animals scurry in the waning light. No leaves rustle ...
Evolution
Jan 11, 2024
1
157
Current thinking on how the Toxoplasma gondii parasite invades its host is incorrect, according to a study published today in Nature Methods describing a new technique to knock out genes. The findings could have implications ...
Cell & Microbiology
Dec 23, 2012
25
0
Tapeworms have no gut or head. They are parasites that cause debilitating diseases, which can be deadly and often don't respond to drugs. Now, scientists have mapped the genetic code of tapeworms for the first time, the journal ...
Biotechnology
Mar 18, 2013
0
0
Brine shrimp are the half-inch-long crustacean colloquially known as sea monkeys and are one of the few organisms that can survive in Utah's Great Salt Lake (GSL). More than a low-maintenance pet, brine shrimp produce eggs, ...
Ecology
Jul 25, 2016
0
23
A team of researchers from four Boston-area institutions led by Nicusor Iftimia from Physical Sciences, Inc. has demonstrated for the first time that optical coherence tomography (OCT), a high resolution optical imaging technique ...
Optics & Photonics
Aug 17, 2011
0
0
What can scientists learn about human neurodegenerative disease from a major soybean pest? It's not a trick question; the answer lies in the soybean cyst nematode, one of two classes of microscopic roundworms known to lose ...
Biotechnology
Aug 16, 2018
1
83
Wrapping potato seeds in biodegradable paper made from unusable parts of banana plants reduces the infestation and harmful effects of a nasty plant pathogen—a worm called the potato cyst nematode—and sharply increases ...
Plants & Animals
Mar 8, 2022
0
63
A flock of pigeons flies over the soybean field where J. Craig Williams is standing. He reaches down and rips off a brown pod from one of the withered plants and splits it open. Grabbing a tiny bean between his calloused ...
Engineering
Nov 25, 2014
0
0
This is what extinction looks like. No meteor from outer space, no unstoppable pandemic, no heroic, ultimately futile last stand. Instead poor sperm, weak knees and ovarian cysts mark the end of a lifeline cut short by human ...
Ecology
Feb 12, 2015
0
44
A cyst is a closed sac, having a distinct membrane and division on the nearby tissue. It may contain air, fluids, or semi-solid material. A collection of pus is called an abscess, not a cyst. Once formed, a cyst could go away on its own or may have to be removed through surgery.
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